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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 6670055 | Magnetic recording medium and manufacturing method therefor A magnetic recording medium that is high coersive force, hard to receive influence of thermal fluctuation, and brings about a considerable improvement of S/N ratio, and in which at least an underlayer and a magnetic layer are sequentially laminated on a s... | 12/30/2003 |
| 5147684 | Forming method of magnetic recording medium protective film This invention is to present a magnetic recording medium protective film possessing a metal oxide film on the surface of a magnetic disc substrate, and having a silane monomolecular adsorption film formed on this metal oxide film by chemical adsorption. A... | 09/15/1992 |
| 5055359 | Magnetic recording medium with an intermediate protective layer of silicon dioxide and a perfluoroalkylpolyether lubricant layer In a magnetic recording medium having a layer of a perfluoroalkylpolyether-based liquid lubricant as an uppermost layer, the liquid lubricant has an atomic group including an aromatic ring at a terminal end of a perfluoropolyether main chain, and is coate... | 10/08/1991 |
| 4748073 | Perpendicular magnetic recording medium with multilayered protective layer A perpendicular magnetic floppy disk has a base layer on each side of which a recording layer is formed having an axis of easy magnetization in a direction perpendicular to its surface. A multilayered protective layer structure is provided on the recordin... | 05/31/1988 |
| 4729924 | Metallic thin film magnetic recording medium having a hard protective layer A metallic, thin film, magnetic recording medium is disclosed wherein the surface of the metallic thin film is modified such as to promote improved adhesion with protective lubricant. A process is disclosed wherein, for example, controlled oxidation of a ... | 03/08/1988 |
| 4565734 | Magnetic recording medium A magnetic recording medium comprises a non-magnetic substrate, a thin magnetic metal film layer overlaid on the substrate, a metallic oxide layer formed on the surface of the thin magnetic metal film layer, and a polymer film formed by plasma polymerizat... | 01/21/1986 |
| 4557944 | Process of manufacturing a magnetic recording medium A nonbinder type of magnetic recording medium is disclosed. The binder is comprised of a non-magnetic support having thereon, in sequence, a thin magnetic metal film laminated using the evaporation technique and a protecting film, with the thin magnetic m... | 12/10/1985 |
| 4526833 | Magnetic recording medium having a perfluoropolyether polymer protective coating A magnetic recording medium protected by a very thin, composite low surface energy covering is disclosed. The covering comprises a primer layer of a polymerized phosphorylated monomer or oligomer and an outer lubricant layer of perfluoropolyether polymer.... | 07/02/1985 |
| 4499138 | Magnetic recording medium A magnetic recording medium having a thin magnetic metal layer on a base is disclosed. A thin metal film of Group IA, IB, IIA, IIB, IIIB, IVA, IVB, VA, VB, VIA, VIB or VIIB of the Periodic Table is formed on the thin magnetic metal layer or the base on th... | 02/12/1985 |
| 4495242 | Magnetic recording medium A nonbinder type of magnetic recording medium is disclosed. The binder is comprised of a non-magnetic support having thereon, in sequence, a thin magnetic metal film laminated using the evaporation technique and a protecting film, with the thin magnetic m... | 01/22/1985 |
| 4456661 | Magnetic recording medium A magnetic recording medium having a thin magnetic metal layer on a base is disclosed. A thin metal film of Group IA, IB, IIA, IIB, IIIB, IVA, IVB, VA, VB, VIA, VIB or VIIB of the Periodic Table is formed on the thin magnetic metal layer or the base on th... | 06/26/1984 |
| 4069360 | Magnetic record member and process for manufacturing the same Magnetic storage means which may be a disc having a magnetic storage layer coated with a protective layer. The protective layer, which is preferably an inorganic oxide material, protects the magnetic storage layer from corrosion. A lubricant is applied to... | 01/17/1978 |
| 3973920 | Magnetic recording medium This invention relates to a magnetic recording medium, which comprises a first protective plating layer consisting of at least one selected from the group consisting of rhenium, osmium, ruthenium, chromium, rhodium and mixtures thereof, provided on a ferr... | 08/10/1976 |
