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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 8130627 | Optical disc production apparatus An optical disk manufacturing apparatus which employs first and second signal layer forming mechanisms, a reflection layer forming mechanism, a light transmission layer forming mechanism and first, second and third transportation mechanisms. The apparatus further in... | 03/06/2012 |
| 8117981 | Liquid material supplying apparatus and liquid material supplying method In order to apply a liquid material including a small number of bubbles, in particular almost no bubbles larger than a predetermined size, a liquid material supplying apparatus includes: a pressure tank applying a positive pressure higher than the atmospheric pressu... | 02/21/2012 |
| 8107263 | Series resonant converter A series resonant converter circuit that reduces power loss is provided that includes an inverter circuit having at least a pair of first and second switching elements that is connected between DC input terminals, a transformer connected to this inverter circuit, a ... | 01/31/2012 |
| 8088331 | Acid liquid leakage sensor An acid liquid leakage sensor quickly detecting liquid leakage from a device, such as a battery or the like, containing an acid liquid includes a first conductive member, a second conductive member, and an electrically insulating material which establishes an electr... | 01/03/2012 |
| 7910161 | Manufacturing device and manufacturing method for optical disc This manufacturing device for an optical disc includes: a disc-supporting base on which a disc substrate is mounted; a pin-shaped member arranged at a center of the disc-supporting base, and is movable in the vertical in a center hole of the disc substrate; and a ca... | 03/22/2011 |
| 7889527 | Electrical power source, operational method of the same, inverter and operational method of the same An electric power source in which a plurality of inverters operate on the same frequency and the plurality of inverters are connected in parallel so that a resistance value expressed by (1−β·G)/(α·G) where α is the output voltage feedback gain, β is the outp... | 02/15/2011 |
| 7828030 | Method and apparatus for curing adhesive between substrates, and disc substrate bonding apparatus An apparatus for bonding disc substrates is provided with a spinner which spreads adhesive placed between a first substrate and second substrate, and a curing device which radiates ultraviolet light onto the adhesive through the substrate to cure it. The curing devi... | 11/09/2010 |
| 7557539 | Charging device A charging device including an assembled battery having plural secondary batteries serially connected, a charge power source unit which supplies charging current to both ends of said assembled battery having plural secondary batteries serially connected, and plural ... | 07/07/2009 |
