Hitoshi Kihara
17Patents
8h-index
16Co-inventors
69Inventor score
Filing activity: Jun 27, 1985 → Mar 8, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5982283A | Antitheft system | Physics | 38 | Expired |
| US6565629B1 | Vapor-liquid contactor, cryogenic air separation unit and method of gas separation | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4668840A | Photovoltaic device | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6461583B1 | Method for enrichment of heavy component of oxygen isotopes | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6321565A | Method and apparatus for the production of heavy oxygen water | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6835287B1 | Apparatus, method for enrichment of the heavy isotope oxygen and production method for heavy oxygen water | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7922872B2 | Distillation apparatus | Emerging Cross-Sectional Technologies | 11 | Active |
| US9194623B2 | Distillation device | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US6560990B2 | Vapor-liquid contactor, cryogenic air separation unit and method of gas separation | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7393447B2 | Apparatus, method for enrichment of the heavy isotopes of oxygen and production method for heavy oxygen water | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8399804B2 | Method for manufacturing prismatic battery, and laser welding jig and laser welding device for manufacturing the same | Performing Operations; Transporting | 4 | Active |
| US7922875B2 | Method and apparatus for enrichment of heavy oxygen isotopes | Emerging Cross-Sectional Technologies | 3 | Active |
| US7828939B2 | Method for concentrating heavy nitrogen isotope | Emerging Cross-Sectional Technologies | 1 | Active |
| US8337802B2 | Method for concentrating oxygen isotope or isotopes | Performing Operations; Transporting | 1 | Active |
| US8440058B2 | Method for concentrating nitrogen isotope | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12151208B2 | Stable isotope concentration method | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8178255B2 | Fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.