Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570342 | Fluorescent lamp and power converter | Yoshinori Tanabe, Masanori Shimizu, Takeshi Arakawa, Yoko Shimomura | 2003-05-27 |
| 5739533 | Thermal radiation detector having a spectral responsivity not dependent on wavelength | Yasuo Nakagawa | 1998-04-14 |