Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8798465 | Optical path switching signal transmission/reception apparatus and corresponding method | Norio Tanaka, Hirobumi Watanabe, Shiro Futaki, Ichiro Ueno, Takashi Hiraga +1 more | 2014-08-05 |
| 8659818 | Optical-path-switching apparatus and light signal optical-path-switching method | Ichiro Ueno, Takashi Hiraga, Noritaka Yamamoto, Hirobumi Watanabe, Shiro Futaki +2 more | 2014-02-25 |
| 8004748 | Thermal lens forming element | Norio Tanaka, Takashi Hiraga, Ichiro Ueno, Nobutaka Tanigaki, Noritaka Yamamoto +1 more | 2011-08-23 |
| 7232853 | Production process of colored fine particulate resins, colored fine particulate resins, and coloring process of articles | Michiei Nakamura, Hiroyuki Shimanaka, Kotaro Ohshima, Shinya Tuchida | 2007-06-19 |
| 6368399 | Composite pigments, coloring compositions, and image recording substances | Masahiko Aoba, Yukio Kanbara, Kazutaka Aoki, Keiji Nakajima, Shotoku Takami | 2002-04-09 |
| 6265708 | Method and apparatus for controlling photointensity and/or luminous flux density of a signal light | Norio Tanaka, Hiromitsu Yanagimoto, Masakatsu Kai, Ichiro Ueno | 2001-07-24 |