Akira Abe
169Patents
21h-index
155Co-inventors
93Inventor score
Filing activity: Feb 3, 1975 → Sep 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5998111A | Process for producing photographic suspended processing agent composition | Physics | 91 | Expired |
| US6230722A | Liquid feed nozzle, wet treatment, apparatus and wet treatment method | Performing Operations; Transporting | 90 | Expired |
| US4017886A | Discrete semiconductor device having polymer resin as insulator and method for making the same | Electricity | 42 | Expired |
| US4742713A | Ultrasonic flaw detecting system | Physics | 42 | Expired |
| US4370365A | Method for imparting water-repellency to woven fabrics | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5882607A | Exhaust gas cleaner and method for cleaning exhaust gas | Performing Operations; Transporting | 37 | Expired |
| US6491047B2 | Method of cleaning container for photographic treatment composition and apparatus therefor | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4379129A | Method of decomposing ozone | Physics | 35 | Expired |
| US4004927A | Photographic light-sensitive material containing liquid organopolysiloxane | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5534237A | Method of cleaning an exhaust gas and exhaust gas cleaner therefor | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4024306A | Method of preparing an organopolysiloxane for surface coating | Emerging Cross-Sectional Technologies | 32 | Expired |
| USD342252S | Telephone set | General | 29 | Expired |
| US5369567A | Furnace temperature cascade control apparatus using adjustment input | Physics | 29 | Expired |
| US5747410A | Exhaust gas cleaner and method of cleaning exhaust gas | Performing Operations; Transporting | 26 | Expired |
| US5359298A | VCO having voltage-to-current converter and PLL using same | Electricity | 26 | Expired |
| USD345557S | Telephone set | General | 25 | Expired |
| US4865962A | Photographic light-sensitive material and method of developing the same | Physics | 24 | Expired |
| US5741468A | Exhaust gas cleaner and method for cleaning exhaust gas | Performing Operations; Transporting | 24 | Expired |
| US4042528A | Water-soluble defoaming agents | Performing Operations; Transporting | 23 | Expired |
| US5208202A | Exhaust gas cleaner and method of cleaning exhaust gas catalyst for cleaning exhaust gas | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5658543A | Exhaust gas cleaner and method for cleaning same | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5319320A | Phase-locked loop having frequency and phase control current pumps | Electricity | 21 | Expired |
| US4467556A | Toy vehicle capable of changing size and shape | Human Necessities | 20 | Expired |
| US5409569A | Etchant, detergent and device/apparatus manufacturing method | Chemistry; Metallurgy | 20 | Expired |
| US5645804A | Method for cleaning exhaust gas containing nitrogen oxides | Mechanical Engineering; Lighting; Heating | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.