Hiroaki Kitagawa
32Patents
7h-index
33Co-inventors
69Inventor score
Filing activity: Aug 8, 1989 → Mar 23, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5494184A | Can top with an overturnable tab | Emerging Cross-Sectional Technologies | 74 | Expired |
| US6293107A | Thermoelectric cooling system | Mechanical Engineering; Lighting; Heating | 70 | Expired |
| USD746904S1 | Toner cartridge | General | 20 | Active |
| USD746906S1 | Toner cartridge | General | 17 | Active |
| US4946358A | Mold mounting apparatus | Performing Operations; Transporting | 13 | Expired |
| US10153181B2 | Substrate treating apparatus and substrate treating method | Chemistry; Metallurgy | 8 | Active |
| USD819123S1 | Toner cartridge | General | 7 | Active |
| USD746903S1 | Toner cartridge | General | 7 | Active |
| USD746905S1 | Toner cartridge | General | 5 | Active |
| US8213841B2 | Container and device | Physics | 5 | Active |
| US8160481B2 | Storage container, supply device, and image forming apparatus | Physics | 4 | Active |
| US9111966B2 | Substrate processing apparatus and substrate processing method | Performing Operations; Transporting | 2 | Active |
| US9922848B2 | Apparatus for and method of processing substrate | Electricity | 1 | Active |
| US9031473B2 | Image forming apparatus with interlocked movement of on/off operating member and shutter for toner container | Physics | 1 | Active |
| US11567425B2 | Developing device, and image forming apparatus including the same | Physics | 0 | Active |
| US11143984B2 | Toner conveying device with vibration generator attached thereto and image forming apparatus including the same | Physics | 0 | Active |
| US10054902B2 | Toner case and image forming apparatus | Physics | 0 | Active |
| US11897009B2 | Substrate processing method and substrate processing device | Electricity | 0 | Active |
| US10619894B2 | Substrate processing apparatus and substrate processing method | Performing Operations; Transporting | 0 | Active |
| US10065218B2 | Substrate processing method and substrate processing apparatus | Electricity | 0 | Active |
| US11422499B2 | Image forming apparatus | Physics | 0 | Active |
| US9535371B2 | Toner container, image forming apparatus to which toner container is attached | Physics | 0 | Active |
| US11693337B2 | Developing device including development container, developer carrier, and restricting blade, and image forming apparatus including the same | Physics | 0 | Active |
| US10815134B2 | Water treatment device | Chemistry; Metallurgy | 0 | Active |
| US11435678B1 | Developing device and image forming apparatus including the same | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.