Koichi Kobayashi
84Patents
19h-index
121Co-inventors
87Inventor score
Filing activity: Sep 3, 1974 → Mar 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5268817A | Portable computer with keyboard and having display with coordinate input tablet rotatably mounted to face either toward or away from keyboard when closed over keyboard | Physics | 139 | Expired |
| US6633759B1 | Communication system, and mobile communication device, portable information processing device, and data communication method used in the system | Electricity | 130 | Expired |
| US5594619A | Portable computer comprising keyboard and coordinate input tablet hingedly connected to a main body case through a junction base having a cylindrical element defining a linear groove therethrough | Physics | 77 | Expired |
| US5410447A | Portable computer comprising keyboard and coordinate input tablet connected by two perpendicularly arranged hinges | Physics | 76 | Expired |
| US5481430A | Portable computer having keyboard and coordinate input tablet hingedly connected to a main body case through a groove | Physics | 61 | Expired |
| US4350788A | Synthetic resin emulsion and its uses | Chemistry; Metallurgy | 56 | Expired |
| US6471090B1 | Medicine supply apparatus | Physics | 42 | Expired |
| US7637078B2 | Medicine supply apparatus | Physics | 37 | Expired |
| US5895541A | Transfer method for relief patterns | Physics | 35 | Expired |
| US4349409A | Method and apparatus for plasma etching | Electricity | 34 | Expired |
| US4735881A | Method for forming patterns by using a high-current-density electron beam | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4680748A | Recorded disk playback apparatus | Physics | 29 | Expired |
| US6285328A | Antenna arrangement of an information processor | Electricity | 29 | Expired |
| US4864194A | Electrodeless discharge lamp device | Electricity | 28 | Expired |
| US6388627B1 | Antenna arrangement of an information processor | Electricity | 27 | Expired |
| US6831444B2 | External storage device, and remaining battery amount notifying method in the same | Electricity | 24 | Expired |
| US5361382A | Method of connecting optical waveguide and optical fiber | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4586141A | Method and apparatus for an electron beam exposure system | Electricity | 23 | Expired |
| US5013975A | Electrodeless discharge lamp | Electricity | 19 | Expired |
| US7161872B2 | Fishing data display device | Physics | 19 | Expired |
| US5246362A | Automatic sub-mold changer | Performing Operations; Transporting | 18 | Expired |
| US4773702A | Reversible seat pad for a baby carriage | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6908076B2 | Upper mount of vehicle suspension, including elastic body fixed in metal housing and having sealing lip in contact with inner surface of the housing | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US8186542B2 | Medicine supply apparatus and tablet case | Physics | 16 | Active |
| US4965463A | Flat frequency, constant voltage power source device | Electricity | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.