Hideki Tomiyama
41Patents
16h-index
55Co-inventors
84Inventor score
Filing activity: Jul 16, 1984 → Sep 28, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5862515A | Battery tester | Physics | 192 | Expired |
| US5378560A | Nonaqueous secondary battery | Emerging Cross-Sectional Technologies | 91 | Expired |
| US6365299B1 | Nonaqueous secondary battery | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6053953A | Nonaqueous secondary battery and process for preparation thereof | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5677083A | Non-aqueous lithium ion secondary battery | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6190803A | Nonaqueous secondary battery | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6758169B2 | Engine generator | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| USD481963S1 | Digital multi-meter | General | 37 | Expired |
| US6825573B2 | Engine generator | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6019802A | Nonaqueous secondary battery and process for producing the same using a dispersion aid | Emerging Cross-Sectional Technologies | 31 | Expired |
| USD390139S | Digital multi-meter | General | 27 | Expired |
| USD381280S | Digital multi-meter | General | 27 | Expired |
| US5665491A | Nonaqueous secondary battery | Emerging Cross-Sectional Technologies | 21 | Expired |
| USD435796S | Digital multi-meter | General | 20 | Expired |
| US6406817B2 | Crosslinked polymer, electrolyte using the polymer, and nonaqueous secondary battery using the electrolyte | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7105251B2 | Nonaqueous secondary battery | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6379403B1 | Cell electrode sheet with displaced electrode depolarizing mixes | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7646118B2 | Portable power working machine | Electricity | 14 | Active |
| US6027835A | Cell electrode sheet with displaced electrode depolarizing mixes | Emerging Cross-Sectional Technologies | 13 | Expired |
| USD580180S1 | Leather material | General | 10 | Expired |
| US8151471B2 | Control handle of a bush cutter and a bush cutter therewith | Emerging Cross-Sectional Technologies | 5 | Active |
| US4916044A | Color diffusion transfer element with auxillary neutralizing layer comprising cellulose acetate | Emerging Cross-Sectional Technologies | 5 | Expired |
| US10549453B2 | Simulation apparatus, simulation method and non-transitory computer-readable medium having simulation program for fluid-flow analysis of material in kneading device | Performing Operations; Transporting | 3 | Active |
| US4551410A | Photographic element for color diffusion transfer with two neutralizing layers | Physics | 3 | Expired |
| US5316903A | Silver halide color photographic material | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.