Kenji Otsuka
42Patents
13h-index
56Co-inventors
84Inventor score
Filing activity: Jan 17, 1995 → Sep 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7936142B2 | Portable drilling device | Emerging Cross-Sectional Technologies | 949 | Active |
| US8188842B2 | Stationary remote control transmitter | Electricity | 87 | Active |
| US8138942B2 | Remote control transmitting device | Electricity | 60 | Active |
| US5895521A | Dust removing apparatus and dust removing method | Performing Operations; Transporting | 54 | Expired |
| US6762813B1 | Electro-optical device and method of manufacturing the same | Physics | 53 | Expired |
| US8068013B2 | RF communication module and RF communication system | Physics | 28 | Active |
| US6175348A | Electro-optical device | Physics | 23 | Expired |
| US6261345A | Process and apparatus for recovering ammonia | Performing Operations; Transporting | 20 | Expired |
| US5956009A | Electro-optical device | Physics | 19 | Expired |
| US6749819B2 | Process for purifying ammonia | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5489327A | Process for purifying hydrogen gas | Chemistry; Metallurgy | 17 | Expired |
| US6331281A | Process and apparatus for cleaning exhaust gas | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5589148A | Process for purifying halogen-containing gas | Performing Operations; Transporting | 16 | Expired |
| US5935540A | Cleaning process for harmful gas | Performing Operations; Transporting | 13 | Expired |
| US5670445A | Cleaning agent of harmful gas and cleaning method | Performing Operations; Transporting | 13 | Expired |
| US7328874B2 | Supporting device for non-averaged force | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7333169B2 | Electro-optical device and method of manufacturing the same | Physics | 10 | Expired |
| US5882615A | Cleaning agent and cleaning process for harmful gas | Performing Operations; Transporting | 8 | Expired |
| US5756060A | Process for cleaning harmful gas | Performing Operations; Transporting | 7 | Expired |
| US10007975B2 | Image processing device and GUI configuration command method for image processing device | Physics | 6 | Active |
| US6429843B1 | Electro-optical device | Physics | 5 | Expired |
| US6638489B2 | Cleaning process and cleaning agent for harmful gas | Performing Operations; Transporting | 5 | Expired |
| US8029111B2 | Droplet ejection head and droplet ejection apparatus | Performing Operations; Transporting | 3 | Active |
| US6579509B1 | Method of cleaning of harmful gas and cleaning apparatus | Performing Operations; Transporting | 3 | Expired |
| US6325841A | Purifying agent and purification method for halogen-containing exhaust gas | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.