Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10338302 | Light source device | Takanori Kikuchi, Masaru Fujita, Yoshihiko Kanayama, Shohroh Mochida, Masami Ito | 2019-07-02 |
| 9229151 | Light guide | Masaru Fujita, Shohroh Mochida, Yoshihiko Kanayama, Masami Ito, Takanori Kikuchi | 2016-01-05 |
| 9028125 | Light guide plate and surface light source device | Takanori Kikuchi, Masami Ito, Masaru Fujita | 2015-05-12 |
| 8979351 | Light guide plate, die, and die processing method | Masaru Fujita, Masami Ito, Takanori Kikuchi | 2015-03-17 |
| 8882326 | Light guide plate and surface light source device | Takanori Kikuchi, Masami Ito, Masaru Fujita | 2014-11-11 |
| 8738625 | Log management system and program | Tomotada Naito | 2014-05-27 |
| 8593624 | Refractive index measuring apparatus | Yohei Takechi, Atsushi Fukui, Seiji Hamano, Kazumasa Takata | 2013-11-26 |
| 8582190 | Two-dimensional scanning device | Seiji Hamano | 2013-11-12 |
| 7880975 | Zoom lens and imaging device having same | — | 2011-02-01 |
| 7583449 | Zoom lens and image pickup apparatus having the same | — | 2009-09-01 |
| 7254322 | Drive controller of a lens apparatus | — | 2007-08-07 |
| 5510874 | Automatic focusing apparatus | Masaru Muramatsu, Ken Utagawa, Shozo Yamano | 1996-04-23 |