Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11408217 | Cable routing structure and window-glass lifting device using same | — | 2022-08-09 |
| 11362753 | Optical node device | Hirotaka Ono, Mitsunori Fukutoku, Yutaka Miyamoto | 2022-06-14 |
| 10965375 | Optical node device | Hirotaka Ono, Kazunori Senoo, Kenya Suzuki, Keita Yamaguchi, Mitsunori Fukutoku +1 more | 2021-03-30 |
| 10007648 | Manual creation for a program product | Kenji Hamahata, Tadayuki Yoshida | 2018-06-26 |
| 9436680 | Manual creation for a program product | Kenji Hamahata, Tadayuki Yoshida | 2016-09-06 |
| 8736851 | Film thickness measuring device and film thickness measuring method | Takeo Yamada, Takeshi Yamamoto | 2014-05-27 |
| 8339617 | Film thickness measuring device and film thickness measuring method | Takeo Yamada, Takeshi Yamamoto, Takahiro YAMAKURA, Shinji Hayashi | 2012-12-25 |
| 7869717 | Optical communication light source unit and wavelength monitoring control method | Kiyoshi Matsumoto, Hideo KAWATA, Naoto Yoshimoto, Katsumi Iwatsuki | 2011-01-11 |
| 7460572 | Optical module and method for monitoring and controlling wavelengths | Hideo Kawada, Naoto Yoshimoto, Toru Ogawa, Katsumi Iwatsuki | 2008-12-02 |
| 7206510 | Ring network using multi-wavelength generator | Hiroo Suzuki, Masamichi Fujiwara, Mitsuhiro Teshima, Koji Akimoto, Jun-ichi Kani +2 more | 2007-04-17 |
| 7127168 | Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter | Jun-ichi Kani, Katsuhiro Araya, Noboru Takachio, Koji Akimoto, Mitsuhiro Teshima +3 more | 2006-10-24 |
| 6609033 | Field programmable welding controller | — | 2003-08-19 |
| 6444942 | Welding control systems | Satoru Kawamatsu | 2002-09-03 |
| 6359566 | Welding machines | — | 2002-03-19 |
| 6172803 | Optical amplifier and transmission system using the same | Hiroji Masuda, Kenichi Suzuki, Kazuo Aida | 2001-01-09 |
| 6157025 | Disk shaped tunable optical filter | Yoshitada Katagiri, Yoshiaki Tachikawa, Shinji Nagaoka, Fumikazu Ohira, Kazuo Aida +3 more | 2000-12-05 |
| 5986789 | Optical transmission line and optical transmission system | Kenichi Suzuki, Katsumi Iwatsuki | 1999-11-16 |
| 5764841 | Optical fiber transmission line, optical fiber transmission system and production method thereof, and optical fiber combining method | Katsumi Iwatsuki, Kenichi Suzuki | 1998-06-09 |
| 5483035 | System for and method of controlling resistance welder | Kenji SAHASHI | 1996-01-09 |
| 5471028 | Resistance welding machine | — | 1995-11-28 |
| 5440092 | Welding controller and/or pinching force controller | — | 1995-08-08 |
| 5347105 | Welding controller | — | 1994-09-13 |