Akihiko Yamamoto
33Patents
13h-index
75Co-inventors
84Inventor score
Filing activity: Jul 27, 1976 → Apr 18, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5412020A | Propylene polymer compositions | Chemistry; Metallurgy | 73 | Expired |
| US4098623A | Method for heat treatment of titanium alloy | Chemistry; Metallurgy | 60 | Expired |
| US5104245A | Printing apparatus with form editor | Physics | 29 | Expired |
| US5716202A | Scroll compressor with oiling mechanism | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4854495A | Sealing structure, method of soldering and process for preparing sealing structure | Electricity | 22 | Expired |
| USD500451S1 | Watch | General | 22 | Expired |
| US5069556A | Method for correcting drift of printing position and printing apparatus for practising the same | Performing Operations; Transporting | 21 | Expired |
| USD506685S1 | Watch | General | 20 | Expired |
| US5947709A | Scroll compressor with oiling mechanism | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4699310A | Method of bonding alumina to metal | Chemistry; Metallurgy | 19 | Expired |
| US5756193A | Polyethylene resin composition for heavy-duty packaging bag and polyethylene resin film produced from the same | Chemistry; Metallurgy | 19 | Expired |
| US5314321A | Screw-type rotary fluid machine including rotors having treated surfaces | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4624403A | Method for bonding ceramics to metals | Chemistry; Metallurgy | 17 | Expired |
| USD455971S1 | Wrist watch | General | 13 | Expired |
| US5223052A | Method of treating surfaces of rotors of the screw type rotary machine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4515208A | Air conditioning system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5137213A | Heater unit for the automobile air conditioner | Performing Operations; Transporting | 11 | Expired |
| US4872606A | Sealed structure and production method thereof | Chemistry; Metallurgy | 10 | Expired |
| US6448357B1 | Polyolefin resin composition | Chemistry; Metallurgy | 8 | Expired |
| US4850726A | Word processor provided with an automatic tabset means | Physics | 7 | Expired |
| US6470917B2 | Tack-in apparatus | Textiles; Paper | 6 | Expired |
| US4951476A | Mode switching arrangement for automotive air conditioner | Performing Operations; Transporting | 6 | Expired |
| US5567759A | Propylene polymer composition | Chemistry; Metallurgy | 4 | Expired |
| USD490718S1 | Watch | General | 4 | Expired |
| US6079963A | Displacement type compressor and method of forming coating film | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.