Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8039630 | Cationic compound, dye compound and method of using the same, and optical information recording medium The present invention relates to a cationic compound denoted by the general formula (I). In general formula (I), Ar1 and Ar2 each independently denote an optionally substituted aryl group or aromatic heterocyclic group, L1 denotes a ... | 10/18/2011 |
| 8034935 | Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex A synthesis method of a compound represented by following formula (24), the method comprising reacting at least one of a ligand and a dissociation product thereof with an iridium compound at a room temperature or at an elevated temperatures in the presence or absenc... | 10/11/2011 |
| 7951946 | Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex A light-emitting material comprising a compound having a partial structure represented by following formula (21) or a tautomer thereof: ... | 05/31/2011 |
| 7951472 | Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex An organic light-emitting device comprising a light-emitting layer or a plurality of thin organic compound layers containing a light emitting layer interposed between a pair of electrodes, wherein at least one layer comprises at least one light emitting material con... | 05/31/2011 |
| 7683365 | Image pickup device An image pickup device comprises an organic photoelectric conversion film sandwiched between at least two electrodes, wherein the organic photoelectric conversion file comprises a specific quinacridone derivative or a specific quinazoline derivative. ... | 03/23/2010 |
| 7504161 | Luminescent element A light-emitting element comprises a substrate, a pair of opposed electrodes between which are provided a light-emitting layer containing at least one light-emitting material selected from compounds of general formula (I) and a host material, and which has an organi... | 03/17/2009 |
| 7244550 | Silver halide color photographic photosensitive material A silver halide color photographic photosensitive material having, on a support, at least one layer of a blue sensitive emulsion layer unit containing a yellow color forming coupler, a green sensitive emulsion layer unit containing a magenta color forming coupler, a... | 07/17/2007 |
| 7238437 | Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex A light-emitting material comprises a compound having a partial structure represented by the following formulas (8), (20) and tautomers thereof: wherein the variables are as defined in the specification. ... | 07/03/2007 |
| 6921591 | Luminescent device material, luminescent device using the same, and amine compound An organic luminescent device material, comprising an amine compound represented by the following formula (I): wherein R1, R2 and R3, which are the same or different, each represents an... | 07/26/2005 |
| 6905786 | Light emitting device material, light emitting device using thereof, and amine compound A compound represented by the following formula (I): wherein R1, R2 and R3each represents an aryl group, a heterocyclic group or an aliphatic hydrocarbon group, provided that at least o... | 06/14/2005 |
| 6890669 | Light emitting element material A red light emitting element material with high color purity and a light emitting element using the red light emitting element material. A light emitting element material including a compound which is expressed by following general formula (A) and a light emitting e... | 05/10/2005 |
| 6881973 | Indole derivative, material for light-emitting device and light-emitting device using the same A compound represented by the following formula (II): wherein L12 represents one of a from 2- to 6-valent connecting group having a heteroaryl group and a from 2- to 6-valent connecting group comprising a no... | 04/19/2005 |
| 6821645 | Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex A light-emitting material comprises a compound having a partial structure represented by the following formula (1) or tautomer thereof: ... | 11/23/2004 |
| 6693295 | Indole derivative, material for light-emitting device and light-emitting device using the same A light-emitting device comprising: a pair of electrodes formed on a substrate; and at least one organic compound layer containing a light-emitting layer provided between the electrodes, wherein the at least one organic compound layer comprises a host mat... | 02/17/2004 |
| 6689491 | Luminescent device material, luminescent device using the same, and amine compound An organic luminescent device material, comprising an amine compound represented by the following formula (I): ##STR1## wherein R1, R2 and R3, which are the same or different, each represents an unsubstituted or substitute... | 02/10/2004 |
| 6593013 | Electroluminescence device, cyclic azine compound and production process of cyclic azine dye An organic electroluminescence device including at least one organic thin film between electrodes, which contains at least one compound represented by the following formula (1): ##STR1## wherein X11 represents a sulfur atom or N--R19... | 07/15/2003 |
| 6555959 | Material for light emitting device, light emitting device using thereof, and amine compound A material for a light emitting device which is a compound represented by the following formula (I): ##STR1## wherein Ar1 and Ar6, which are the same or different, each represents a divalent aryl group or a divalent heterocyclic grou... | 04/29/2003 |
| 6537687 | Light emitting element material A red light emitting element material with high color purity and a light emitting element using the red light emitting element material. A light emitting element material including a compound which is expressed by following general formula (A) and a light... | 03/25/2003 |
| 6514633 | Light emitting device material, light emitting device using thereof, and amine compound A light emitting device material comprising a compound represented by the following formula (I): ##STR1## wherein R1, R2 and R3, which may be the same or different, each represents an aryl group, a heterocyclic group or an... | 02/04/2003 |
| 6379823 | Electroluminescence device, cyclic azine compound and production process of cyclic azine dye Disclosed are an organic electroluminescence device comprising at least one organic thin film between electrodes, which contains at least one compound represented by formula (1), (2) or (3); a cyclic azine compound having a structure represented by formul... | 04/30/2002 |
| 5766822 | Silver halide photographic material A silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide hydrophilic colloid emulsion layer, at least one light-insensitive hydrophilic colloid layer interposed between the support and at least o... | 06/16/1998 |
| 5618652 | Image formation method by silver salt diffusion transfer An image formation method by silver salt diffusion transfer is described, which comprises subjecting a photosensitive element containing at least one photosensitive silver halide emulsion layer to image exposure, then developing the photosensitive element... | 04/08/1997 |
| 5578433 | Processing composition and processing method for silver halide photographic materials A method of processing a silver halide photographic material with a developer containing a compound represented by formula (A), wherein the developer further contains at least one compound represented by formula (B) or (C): ##STR1##... | 11/26/1996 |
| 5468592 | Silver halide photographic material An ultra-hard silver halide photographic material having high processing stability, which contains a hydrazine derivative represented by the following general formula (1) or (2): ##STR1## wherein X1 and X2 are each a group conta... | 11/21/1995 |
| 5447835 | Silver halide photographic material containing hydrazine compounds Disclosed is a silver halide photographic material comprising a support having thereon a silver halide emulsion layer containing at least one nucleating agent represented by general formula (N-1) shown below. The silver halide photographic material contai... | 09/05/1995 |
| 5424169 | Silver halide photographic light-sensitive material There is disclosed a silver halide photographic light-sensitive material for plate making giving a hard gradation and having less variation in photographic performance due to fatigue of the developing solution. The silver halide photographic light-sensiti... | 06/13/1995 |
| 5340704 | Method for processing a silver halide photographic material Disclosed is a photographic image forming method. A silver halide photographic material is processed with a developing solution having a pH of 9.6 to 11.0. The silver halide photographic material has at least one light-sensitive layer containing a chemica... | 08/23/1994 |
| 5316890 | Silver halide photographic material A silver halide light-sensitive material containing a compound selected from compounds represented by formula (I) or (II): ##STR1## wherein L1 represents --O--, --S--, --SO--, --SO2 --, --N(R4)--, --CONR4 -... | 05/31/1994 |
| 5284732 | Silver halide photographic material A silver halide light-sensitive material containing a hydrazine compound represented by formula (I): ##STR1## wherein L1 represents a single bond, --O--, --S--, --NR6 --, --CO--, SO2 --, --P(O) (G2 R6 | 02/08/1994 |
| 5279919 | Silver halide photographic material A silver halide photographic material which comprises a compound represented by the following general formulae (Ia) or (Ib): R1 --L1 --R2 --L2 --R3 --NHNH--G1 --R4 (Ia) R6 ... | 01/18/1994 |
| 5252438 | Silver halide photographic materials Disclosed is a silver halide photographic material containing a compound of a general formula (1) or (2): ED-(Time)t -Y-L-Z (1) wherein ED represents a group that releases the moiety (Time)t -Y-L-Z by r... | 10/12/1993 |
