Ichiro Tanaka
81Patents
11h-index
116Co-inventors
81Inventor score
Filing activity: Jul 14, 1977 → Jan 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5155688A | Vehicle navigation system | Physics | 87 | Expired |
| US4116012A | Method of obtaining sufficient supporting force for a concrete pile sunk into a hole | Fixed Constructions | 76 | Expired |
| US5736269A | Fuel cell stack and method of pressing together the same | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6475704B1 | Method for forming fine structure | Physics | 27 | Expired |
| US6641985B2 | Method for making element | Physics | 25 | Expired |
| US4612946A | Automatic set-up system | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7018783B2 | Fine structure and devices employing it | Physics | 17 | Expired |
| US5507257A | Value guide member formed of Fe-based sintered alloy having excellent wear and abrasion resistance | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5703780A | Navigation system | Physics | 13 | Expired |
| US5789850A | DC glow discharge lamp, and ignition apparatus, flood-light apparatus and projector apparatus for dc glow discharge lamp | Electricity | 12 | Expired |
| US6121620A | Radiation detector and process for its production | Electricity | 11 | Expired |
| US4543970A | Automatic set-up system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5151063A | Air conditioning distribution system | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6340399B1 | Non-oriented electrical steel sheet and method for producing the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5752988A | Method for producing electrode unit for fuel cell | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8921807B2 | In situ cleaning device for lithographic apparatus | Electricity | 8 | Active |
| US4329948A | Multiple port cylinder for crankchamber precompression type two stroke engines | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6133614A | Apparatus for detecting radiation and method for manufacturing such apparatus | Electricity | 8 | Expired |
| US4609002A | Automatic set-up system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7318405B2 | Engine for vehicle | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6762559B1 | High-pressure mercury discharge lamp and lighting apparatus using the lamp | Electricity | 6 | Expired |
| US7291574B2 | Zirconia sintered body and a method for producing the same | Chemistry; Metallurgy | 6 | Expired |
| US8987864B2 | Array type chip resistor and method of manufacturing thereof | Electricity | 5 | Active |
| US4609001A | Automatic set-up system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4609000A | Automatic set-up system | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.