Koji Ishihara
20Patents
8h-index
40Co-inventors
75Inventor score
Filing activity: Apr 17, 1981 → Nov 29, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4955409A | Fuel supply system | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6232376A | Moisture curable polyolefin compositions | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6232377A | Flame retardant composition | Chemistry; Metallurgy | 22 | Expired |
| US4872762A | Method and apparatus for detecting defective portion on inner surface of pipe | Physics | 20 | Expired |
| US5163315A | Leak detecting method for vessels | Physics | 16 | Expired |
| US4988210A | Method and apparatus for detecting defective portion on outer surface of pipe | Physics | 15 | Expired |
| US6127441A | Expandable resin composition | Chemistry; Metallurgy | 14 | Expired |
| US6187858A | Stabilized insulation composition | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6525119B2 | Cable semiconductive shield compositions | Chemistry; Metallurgy | 8 | Expired |
| US6124770A | Expandable resin composition | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5771690A | Engine exhaust purifier | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5495839A | Engine fuel injection controller | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6706791B2 | Cable semiconductive shield compositions | Chemistry; Metallurgy | 5 | Expired |
| US4395617A | Successively joinable carbon electrode for gouging metals | Performing Operations; Transporting | 5 | Expired |
| US4595664A | Burner skeleton | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5102043A | Method and apparatus for producing snow using ultrasonic waves | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US10253531B2 | Detection sensor | Electricity | 1 | Active |
| US6020411A | Flame retardant resin composition | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4553019A | Gouging wire electrode | Performing Operations; Transporting | 1 | Expired |
| US4985291A | Burner skeleton | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.