Akira Kojima
119Patents
22h-index
214Co-inventors
93Inventor score
Filing activity: Aug 27, 1976 → Jan 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6376837B1 | Optical scanning apparatus and image forming apparatus having defective light source detection | Electricity | 61 | Expired |
| US5507005A | Data transferring system between host and I/O using a main buffer with sub-buffers where quantity of data in sub-buffers determine access requests | Physics | 60 | Expired |
| US5971962A | Skin button | Human Necessities | 44 | Expired |
| US7754514B2 | Method of making a light emitting element | Electricity | 42 | Active |
| US4539139A | Process for the preparation of oil-in-water emulsions | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5723900A | Resin mold type semiconductor device | Electricity | 41 | Expired |
| US5221428A | Production of lead frame | Emerging Cross-Sectional Technologies | 39 | Expired |
| USD491967S1 | Video camera with digital video disc player | General | 33 | Expired |
| US5945008A | Method and apparatus for plasma control | Electricity | 33 | Expired |
| US4691963A | Tandem seat for a two-wheeled vehicle | Performing Operations; Transporting | 33 | Expired |
| USD459709S1 | Digital video disc player | General | 32 | Expired |
| US5313340A | Read/write controlling apparatus for adjusting the data length of a magnetic disk | Physics | 32 | Expired |
| US7532227B2 | Optical scanner and image forming apparatus | Electricity | 31 | Expired |
| US5715105A | Method of and apparatus for recording on and reproducing from disk-type recording medium having recording tracks with sectors each having an ID area and a data area | Physics | 31 | Expired |
| USD459321S1 | Digital video disc player | General | 30 | Expired |
| USD338293S | Electric vacuum cleaner | General | 29 | Expired |
| US5349238A | Semiconductor device | Electricity | 28 | Expired |
| USD505438S1 | Video camera with digital video disc player | General | 27 | Expired |
| USD515123S1 | Video camera with digital video disk player | General | 25 | Expired |
| US5431769A | Method and system for plasma treatment | Electricity | 24 | Expired |
| US5584012A | Cache control method and rotary storage device having cache control | Physics | 24 | Expired |
| USD690012S1 | Mobile X-ray apparatus | General | 23 | Active |
| US5214846A | Packaging of semiconductor chips | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6317281A | Disk storage device having identification information for protecting stored data | Physics | 20 | Expired |
| US6108158A | Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores | Physics | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.