Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591689 | Sensor held by base having lead | Akira Nidan, Takafumi Taki, Hideaki Hara, Michihiro Masuda, Kaname Ban +1 more | 2003-07-15 |
| 6579990 | Process for producing refined pyromellitic acid and refined pyromellitic anhydride | Atsushi Okoshi, Kengi Nakaya | 2003-06-17 |
| 6571655 | Involute gear pair structure | — | 2003-06-03 |
| 6556328 | Frequency stabilizing equipment for optical communication light source | — | 2003-04-29 |
| 6534864 | Semiconductor memory device and method of fabricating the same | Takashi Kumagai, Junichi Karasawa, Kunio Watanabe | 2003-03-18 |
| 6504400 | Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit | Hiroyuki Mizuno, Rie Nishiyama, Manabu Miyamoto | 2003-01-07 |