Kikuo Sumiyoshi
11Patents
9h-index
17Co-inventors
69Inventor score
Filing activity: Jun 4, 1973 → Aug 30, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4100245A | Method for manufacturing bearings or other anti-friction elements formed of lubricant contained polyacetal | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5415791A | Lubricating composition and a sliding member comprising the composition | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US4559249A | Sliding member and a method for manufacturing the same | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5153897A | Automatically controlling the operation mode of data circuit terminating equipment in a communication system | Electricity | 46 | Expired |
| US4559248A | Sliding member | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5199071A | Modem mode matching method with PBX dial-in | Electricity | 33 | Expired |
| US4547434A | Heat-resistant shift member | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4551393A | Heat-resistant shift member | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4012478A | Method of making anti-friction members from lubricant-impregnated polyamide synthetic resin materials | Performing Operations; Transporting | 13 | Expired |
| US5405200A | Spherical bearing and method of production thereof | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5513433A | Method of producing a spherical bearing | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.