Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633272 | Driving method, drive IC and drive circuit for liquid crystal display | Katsuhiko Kumagawa, Masahito Matsunami, Takeshi Okuno, Tohru Suyama | 2003-10-14 |
| 6597337 | Driving method, drive IC and drive circuit for liquid crystal display | Katsuhiko Kumagawa, Masahito Matsunami, Takeshi Okuno, Tohru Suyama | 2003-07-22 |
| 6522318 | Driving method, drive IC and drive circuit for liquid crystal display | Katsuhiko Kumagawa, Masahito Matsunami, Takeshi Okuno, Tohru Suyama | 2003-02-18 |
| 6232944 | Driving method, drive IC and drive circuit for liquid crystal display | Katsuhiko Kumagawa, Masahito Matsunami, Takeshi Okuno, Tohru Suyama | 2001-05-15 |