Akira Kitajima
16Patents
7h-index
26Co-inventors
66Inventor score
Filing activity: Sep 23, 1976 → Aug 31, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4884222A | Fire alarm system | Physics | 33 | Expired |
| US5332432A | Inorganic adhesive composition | Chemistry; Metallurgy | 28 | Expired |
| US4078029A | Process for preparing mold | Chemistry; Metallurgy | 18 | Expired |
| US4796018A | Exit guiding system | Physics | 18 | Expired |
| US4800285A | Flame detecting arrangement for detecting a flame through horizontal and vertical scanning of a supervisory region by using a photodetector | Physics | 16 | Expired |
| US4750142A | Flame detector | Physics | 13 | Expired |
| US4755687A | System and method for detecting flames | Physics | 12 | Expired |
| US4769076A | Binders for manufacture of precision casting molds | Performing Operations; Transporting | 6 | Expired |
| US8820448B2 | In-wheel motor and electrically driven vehicle | Emerging Cross-Sectional Technologies | 5 | Active |
| US4819733A | Automatic fire extinguishing equipment | Human Necessities | 4 | Expired |
| US4706760A | Fire extinguishing condition monitoring apparatus for automatic fire extinguishing equipment | Physics | 4 | Expired |
| US7284645B2 | Fluid transmission device | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9267591B2 | Torque converter stator structure | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9150093B2 | In-wheel motor and electrically driven vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
| US4769075A | Binder for manufacture of precision casting mold | Performing Operations; Transporting | 2 | Expired |
| US9352645B2 | In-wheel motor and electrically driven vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.