Seiji Usami
24Patents
14h-index
41Co-inventors
81Inventor score
Filing activity: Mar 22, 1978 → Jun 17, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD351155S | Television set | General | 92 | Expired |
| USD357472S | Television set | General | 86 | Expired |
| USD357244S | Television set | General | 84 | Expired |
| USD357245S | Television set | General | 82 | Expired |
| USD351156S | Television set | General | 78 | Expired |
| USD447738S | Digital video disk player with LCD monitor | General | 55 | Expired |
| USD466876S1 | Digital video disk recorder | General | 45 | Expired |
| USD351157S | Combined video tape recorder and television set | General | 39 | Expired |
| USD456373S1 | Digital video disk player with LCD monitor | General | 38 | Expired |
| US4229549A | Thermoplastic resin composition comprising a rigid thermoplastic resin and a graft copolymer | Chemistry; Metallurgy | 24 | Expired |
| USD353596S | Remote controller for television set | General | 18 | Expired |
| USD639824S1 | Digital video disk player with amplifier | General | 17 | Expired |
| USD307432S | Remote controller for video tape recorder | General | 16 | Expired |
| USD352717S | Remote controller for television set | General | 14 | Expired |
| US7513172B2 | Transmission apparatus | Emerging Cross-Sectional Technologies | 10 | Active |
| USD509811S1 | Digital video disk recorder | General | 9 | Expired |
| USD524271S1 | Digital video disk recorder combined with hard disk video recorder | General | 6 | Expired |
| USD499707S1 | Digital video disk recorder combined with hard disk video recorder | General | 5 | Expired |
| USD259487S | Combined clock radio and television receiver | General | 4 | Expired |
| US7900535B2 | Transmission | Emerging Cross-Sectional Technologies | 4 | Active |
| USD268027S | Video tape recorder | General | 3 | Expired |
| USD418131S | Digital video disk player | General | 2 | Expired |
| USD633527S1 | Digital video disk player | General | 1 | Expired |
| US8139466B2 | Recording and reproducing device | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.