Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10583896 | Fuel composition, ship, and automatic fuel composition-switching system | Tatsuo Takaishi | 2020-03-10 |
| 8466435 | Fine particle measuring device | Mitsuru Toishi, Katsuhiro Seo, Shinji Yamada, Atsushi Fukumoto | 2013-06-18 |
| 8432591 | Light irradiation device for recording information in a hologram recording medium | Akio Yamakawa, Yoshiki Okamoto, Kenji Tanaka, Kazutatsu Tokuyama | 2013-04-30 |
| 8384045 | Minute particle analyzing device and method | Katsuhiro Seo, Mitsuru Toishi, Shinji Yamada, Atsushi Fukumoto, Gary Durack | 2013-02-26 |
| 8121010 | Hologram device, tilt detection method, and tilt correction method | Akio Yamakawa, Yoshiki Okamoto, Kenji Tanaka, Kazutatsu Tokuyama | 2012-02-21 |
| 7595583 | Cold-cathode fluorescent lamp and backlight unit | Hirofumi Yamashita, Toshihiro Terada, Yusuke Mori, Haruo Yamazaki, Takashi Maniwa | 2009-09-29 |
| 7283286 | Hologram recording/reproducing device and optical unit | Atsushi Fukumoto, Mikio Sugiki, Mitsuru Toishi, Naoto Kojima, Hitoshi Okada | 2007-10-16 |
| 6654323 | Method of tracking servo for optical pickup device | Hitoshi Okada, Tsutomu Maruyama | 2003-11-25 |