Akio Okamoto
42Patents
11h-index
62Co-inventors
78Inventor score
Filing activity: Mar 7, 1986 → May 8, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5132754A | Thin film silicon semiconductor device and process for producing thereof | Electricity | 102 | Expired |
| US5248630A | Thin film silicon semiconductor device and process for producing thereof | Emerging Cross-Sectional Technologies | 70 | Expired |
| US6387413B1 | Hyaluronic acid gel, a method of its production and medical material containing it | Chemistry; Metallurgy | 50 | Expired |
| US7014860B1 | Hyaluronic acid gel, process for producing the same, and medical material containing the same | Chemistry; Metallurgy | 32 | Expired |
| US5883213A | Ethylene-aromatic vinyl compound copolymer and method for its production | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6066709A | Ethylene-aromatic vinyl compound copolymer and method for its production | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4817707A | Heating soft floor mat | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5039476A | Method for production of powder metallurgy alloy | Chemistry; Metallurgy | 16 | Expired |
| US6630215B1 | Medical Device | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6410649B1 | Resin composition | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6417308B2 | Film and stretch packaging film | Emerging Cross-Sectional Technologies | 11 | Expired |
| USD763804S1 | Plate for heat exchanger | General | 10 | Active |
| US5588409A | Ignition timing control device for an engine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6790461B2 | Hyaluronic acid gel, method of its production and medical material containing it | Chemistry; Metallurgy | 9 | Expired |
| US4927651A | Method of preserving food | Human Necessities | 9 | Expired |
| US7662332B2 | Electro-blowing technology for fabrication of fibrous articles and its applications of hyaluronan | Textiles; Paper | 8 | Expired |
| US7704423B2 | Method for expansion injection molding | Performing Operations; Transporting | 8 | Expired |
| US6348556B1 | Ethylene-aromatic vinyl compound copolymer and method for its production | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4869835A | Ion source | Electricity | 6 | Expired |
| US7323425B2 | Crosslinking of hyaluronan solutions and nanofiberous membranes made therefrom | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD757662S1 | Plate for heat exchanger | General | 5 | Active |
| US6517755B1 | Resin multilayer molding method and mulitlayer molding device | Performing Operations; Transporting | 5 | Expired |
| US6472490B1 | Ethylene-aromatic vinyl compound copolymer and method for its production | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4677954A | Method and system incorporating zero-correction for fuel supply control for internal combustion engine | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5513610A | Idle speed control device for an engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.