Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434288 | Optical switching system | Aritomo Uemura, Hiroshi Ichibangase, Takashi Mizuochi, Tadayoshi Kitayama, Shu Yamamoto +2 more | 2002-08-13 |
| 6425644 | Braking pressure control apparatus having device for diagnosing manually operated hydraulic system | Fumiaki Kawahata, Hirohiko Morikawa, Akihiro Otomo | 2002-07-30 |
| 6354672 | Braking system wherein brake cylinder is communicated with pedal-operated pressure source upon failure of pump-operated pressure source | Eiji Nakamura, Akihiro Otomo, Fumiaki Kawahata, Hiroshi Toda | 2002-03-12 |
| 6331907 | Multi-wavelength light source and discrete-wavelength-variable light source | Noboru Edagawa, Shu Yamamoto | 2001-12-18 |
| 6317534 | Optical wavelength routing device | Shu Yamamoto, Koichi Maru, Hisato Uetsuka | 2001-11-13 |
| 6317253 | 1.06 .mu.m band optical amplifier apparatus utilizing induced emission in optical fiber by excited rare-earth element | Yoshio Karasawa, Minoru Yoshida, Toshikazu Gozen | 2001-11-13 |
| 6285477 | Multi-wavelength light source and discrete-wavelength-variable light source | Noboru Edagawa, Shu Yamamoto | 2001-09-04 |
| 6219163 | Multi-wavelength light source and discrete-wavelength-variable light source | Noboru Edagawa, Shu Yamamoto | 2001-04-17 |
| 6215566 | Multi-wavelength light source and discrete-wavelength-variable light source | Noboru Edagawa, Shu Yamamoto | 2001-04-10 |
| 5674624 | Highly light-transmitting dust protective film, and dust protective member | Mayumi Kawasaki, Takao Ohno | 1997-10-07 |
| 5667726 | Highly light-transmitting dust protective film, process for preparation thereof and dust protective member | Mayumi Kawasaki, Takao Ohno | 1997-09-16 |
| 5442570 | Method of controlling heat input to an alloying furnace for manufacturing hot galvanized and alloyed band steel | Yoichi Sashihara, Masahiro Masuda, Isao Nakamura, Kunitoshi Watanabe, Kazuhiro Sekimoto | 1995-08-15 |
| 5423926 | Method of controlling heat input to an alloying furnace for manufacturing hot galvanized and alloyed band steel | Yoichi Sashihara, Masahiro Masuda, Isao Nakamura, Kunitoshi Watanabe, Kazuhiro Sekimoto | 1995-06-13 |
| 5387992 | Optical frequency multiplex carrier control system | Shiro Ryu | 1995-02-07 |
| 5317382 | Optical phase detection method with orthogonal polarization and phase compensation arrangement | Shiro Ryu | 1994-05-31 |