Kazuhiro Yamamoto
196Patents
20h-index
244Co-inventors
93Inventor score
Filing activity: Jul 31, 1975 → Oct 17, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5773834A | Method of forming carbon nanotubes on a carbonaceous body, composite material obtained thereby and electron beam source element using same | Emerging Cross-Sectional Technologies | 97 | Expired |
| US5904217A | Snowmobile | Performing Operations; Transporting | 77 | Expired |
| US4322088A | Rear wheel suspension for a motorcycle | Performing Operations; Transporting | 74 | Expired |
| USD457146S1 | Substrate for a semiconductor element | General | 73 | Expired |
| US5942459A | Catalysts for olefin polymerization and a process for preparing olefin polymers therewith | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4483000A | Circuit for eliminating spurious components resulting from burst control in a TDMA system | Electricity | 56 | Expired |
| US7132546B2 | Aniline derivatives or salts thereof and cytokine production inhibitors containing the same | Chemistry; Metallurgy | 46 | Expired |
| US4599734A | Space diversity communications system for multi-direction time division multiplex communications | Electricity | 42 | Expired |
| US6627073B2 | Water treatment device | Chemistry; Metallurgy | 40 | Expired |
| US5580536A | Composite oxide having oxygen absorbing and desorbing capability and method for preparing same | Chemistry; Metallurgy | 36 | Expired |
| US5947220A | Snowmobile | Performing Operations; Transporting | 33 | Expired |
| US5571492A | Composite oxide having oxygen absorbing and desorbing capability | Chemistry; Metallurgy | 31 | Expired |
| US6407481B1 | Piezoelectric/electrostrictive device having convexly curved diaphragm | Emerging Cross-Sectional Technologies | 30 | Expired |
| USD475056S1 | IC card | General | 29 | Expired |
| US4530087A | Space diversity receiving system for multi-direction time division multiplex communication | Electricity | 28 | Expired |
| US5829545A | Snowmobile | Performing Operations; Transporting | 26 | Expired |
| US7650699B2 | Electric drill | Emerging Cross-Sectional Technologies | 25 | Active |
| US5474962A | Powder catalyst composition and process for polymerizing olefins with the use thereof | Chemistry; Metallurgy | 24 | Expired |
| US7824795B2 | Solid electrolyte structure for all-solid-state battery, all-solid-state battery, and their production methods | Emerging Cross-Sectional Technologies | 23 | Active |
| US4440413A | Rear wheel suspension for a motorcycle | Performing Operations; Transporting | 21 | Expired |
| USD476011S1 | IC card | General | 20 | Expired |
| US5853061A | Snowmobile | Performing Operations; Transporting | 20 | Expired |
| US6627053B2 | Water treatment device | Chemistry; Metallurgy | 19 | Expired |
| USD475713S1 | IC card | General | 19 | Expired |
| US5397831A | Tetrafluoroethylene copolymer resin powder composition and process for manufacture thereof | Chemistry; Metallurgy | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.