Akio Kitamura
56Patents
13h-index
32Co-inventors
84Inventor score
Filing activity: Mar 21, 1985 → Jun 19, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5760440A | Back-source MOSFET | Electricity | 67 | Expired |
| US5844275A | High withstand-voltage lateral MOSFET with a trench and method of producing the same | Electricity | 64 | Expired |
| US5436486A | High voltage MIS transistor and semiconductor device | Electricity | 54 | Expired |
| US5701026A | Lateral trench MISFET | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5432370A | High withstand voltage M I S field effect transistor and semiconductor integrated circuit | Electricity | 35 | Expired |
| US5909758A | Supporting tool and method of installing same | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| USD290630S | Reconfigurable toy tank | General | 28 | Expired |
| US6525390B2 | MIS semiconductor device with low on resistance and high breakdown voltage | Electricity | 25 | Expired |
| US5885878A | Lateral trench MISFET and method of manufacturing the same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5981997A | Horizontal field effect transistor and method of manufacturing the same | Electricity | 23 | Expired |
| US5591657A | Semiconductor apparatus manufacturing method employing gate side wall self-aligning for masking | Electricity | 19 | Expired |
| US7274543B2 | Over-voltage protection circuit | Electricity | 17 | Expired |
| US6075276A | ESD protection device using Zener diodes | Electricity | 14 | Expired |
| US5523599A | High voltage MIS field effect transistor | Electricity | 13 | Expired |
| US5705842A | Horizontal MOSFET | Electricity | 11 | Expired |
| US6998680B2 | Semiconductor device | Electricity | 9 | Expired |
| US5917217A | Lateral field effect transistor and method of manufacturing the same | Electricity | 9 | Expired |
| US6861702B2 | Semiconductor device | Electricity | 9 | Expired |
| US9129892B2 | Semiconductor device and manufacturing method thereof | Electricity | 8 | Active |
| US8847305B2 | Semiconductor device and manufacturing method thereof | Electricity | 8 | Active |
| US5633525A | Lateral field effect transistor | Electricity | 8 | Expired |
| US9362118B2 | Semiconductor device and manufacturing method thereof | Electricity | 8 | Active |
| USD290723S | Reconfigurable toy vehicle | General | 6 | Expired |
| US5213166A | Pile driving and pile removing method | Fixed Constructions | 5 | Expired |
| USD290481S | Reconfigurable toy boat | General | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.