Seiichi Watanabe
149Patents
17h-index
218Co-inventors
89Inventor score
Filing activity: Jan 22, 1975 → Feb 15, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8497213B2 | Plasma processing method | Electricity | 450 | Active |
| US6158383A | Plasma processing method and apparatus | Electricity | 278 | Expired |
| US6777037B2 | Plasma processing method and apparatus | Chemistry; Metallurgy | 80 | Expired |
| US4656533A | Floppy disc drive unit | Physics | 47 | Expired |
| US10446453B2 | Surface modification control for etch metric enhancement | Physics | 37 | Active |
| US4207815A | Rotary press with means for adjusting the positions of printing plates on plate cylinders | Performing Operations; Transporting | 35 | Expired |
| US7373899B2 | Plasma processing apparatus using active matching | Electricity | 35 | Expired |
| USD909469S1 | Payment terminal | General | 35 | Active |
| US5276386A | Microwave plasma generating method and apparatus | Electricity | 28 | Expired |
| US5646489A | Plasma generator with mode restricting means | Electricity | 25 | Expired |
| US8964314B2 | Lens and method of molding lens | Electricity | 21 | Active |
| US4118732A | Apparatus for detecting a surface flaw of a material at high temperature | Physics | 20 | Expired |
| US5520771A | Microwave plasma processing apparatus | Electricity | 18 | Expired |
| US7221524B2 | Lens unit and compact image pickup module | Electricity | 18 | Expired |
| US4961884A | Process for producing substrate of optical disc | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5804033A | Microwave plasma processing method and apparatus | Electricity | 18 | Expired |
| USD791699S1 | Battery charger for computer | General | 18 | Active |
| US5580420A | Plasma generating method and apparatus and plasma processing method and apparatus | Electricity | 17 | Expired |
| US5044925A | Injection-compression mold | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6480297B1 | Image forming apparatus | Electricity | 16 | Expired |
| US7169255B2 | Plasma processing apparatus | Electricity | 15 | Expired |
| USD484157S1 | Digital still camera | General | 14 | Expired |
| US5221130A | Choke-coil fixture for miniature motors | Electricity | 14 | Expired |
| US5536472A | Chemical analysis element cartridge | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5433789A | Methods and apparatus for generating plasma, and semiconductor processing methods using mode restricted microwaves | Electricity | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.