Kazuo Hirano
32Patents
12h-index
36Co-inventors
81Inventor score
Filing activity: Oct 22, 1979 → Feb 4, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5556671A | Artificial snow in an aggregate form of snow granules | Emerging Cross-Sectional Technologies | 250 | Expired |
| US5839086A | On-board route display receiving information from external device | Physics | 160 | Expired |
| US5307277A | Location detecting apparatus | Physics | 63 | Expired |
| US5065612A | Method of correcting zero point of gyro and apparatus therefor | Physics | 60 | Expired |
| US4516121A | Transmission control system | Performing Operations; Transporting | 47 | Expired |
| US5436039A | Artificial snow in an aggregate form of snow granules | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4513751A | Method for measuring oxygen metabolism in internal organ or tissue | Human Necessities | 29 | Expired |
| US5865387A | Fishing reel brake device providing adjustable brake force through adjustable brake shoe | Human Necessities | 22 | Expired |
| US5443570A | Handle folding device for fishing reel | Physics | 16 | Expired |
| US5503343A | Reverse rotation preventive device for fishing reel | Human Necessities | 15 | Expired |
| US4728870A | Wiper control apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5333813A | Fishing line retaining device in reel for fishing | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5570851A | Reverse rotation preventing mechanism in spinning reel for fishing | Human Necessities | 11 | Expired |
| US5370330A | One-way clutch for a fishing reel with an improved contact surface configuration | Human Necessities | 11 | Expired |
| US4273253A | Automatic vending machine | Physics | 9 | Expired |
| US5372323A | Fishing reel with one-way brake mechanism | Human Necessities | 9 | Expired |
| US5494232A | Reversal preventive device | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5261245A | Method for making ice slab and/or artificial snow | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5374001A | Reverse rotation preventing mechanism in spinning reel for fishing | Human Necessities | 5 | Expired |
| US5538198A | Handle for fishing reel | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5678781A | Reversal preventive device | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5266367A | Artificial snow granule | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5136849A | Snow composition and method for making artificial snow | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5662286A | Reversal preventive device | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7579060B2 | Releasing material and release agent | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.