Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509698 | Operating apparatus of discharge lamp | Satoshi Kominami, Koji Miyazaki, Mamoru Takeda, Masayoshi Gyoten | 2003-01-21 |
| 6504322 | Discharge lamp operating apparatus | Satoshi Kominami, Masayoshi Gyoten, Koji Miyazaki, Mamoru Takeda | 2003-01-07 |
| 6492773 | Self-ballasted fluorescent lamp | Masayoshi Gyoten, Koji Miyazaki, Satoshi Kominami | 2002-12-10 |
| 6429602 | Fluorescent lamp operating apparatus | Kazuhiko Ito, Takayuki Imai, Mamoru Takeda | 2002-08-06 |
| 6404012 | Semiconductor device having a reverse conductive type diffusion layer in an extended drain diffusion layer | — | 2002-06-11 |
| 6094332 | Protection circuit for discharging large amount of static charge current through field effect transistors different in break-down voltage | — | 2000-07-25 |
| 6046614 | Drive circuit having a power recovery system | — | 2000-04-04 |
| 5929485 | High voltage insulated gate type bipolar transistor for self-isolated smart power IC | — | 1999-07-27 |
| 5744836 | Insulating gate type field effect transistor | — | 1998-04-28 |
| 5723895 | Field effect transistor formed in semiconductor region surrounded by insulating film | — | 1998-03-03 |
| 5664937 | Precisely flow-controlling pump | Hironori Kaji, Kaoru Hagiya | 1997-09-09 |