Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7885299 | Semiconductor laser equipment | Hirofumi Miyajima, Hirofumi Kan | 2011-02-08 |
| 5872804 | Solid-state laser amplifier | Hirofumi Kan, Yasukazu Izawa, Hiromitsu Kiriyama, Takuji Yoshida, Sadao Nakai +1 more | 1999-02-16 |
| 5587793 | Birefringence distribution measuring method | Sadao Nakai, Yasukazu Izawa, Masato Ohmi, Masanori Akatsuka, Chiyoe Yamanaka +1 more | 1996-12-24 |
| 5465178 | Focusing optical system for semiconductor lasers | Sadao Nakai, Koji Ishikawa, Tsuyoshi Sato, Kimiaki Yamamoto, Mikihiko Terashima | 1995-11-07 |