Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12188678 | Air conditioner and control method | Ken Miura, Tetsuma Hamashima | 2025-01-07 |
| 10876611 | Lock-up device and torque converter | Hiromi Fujiwara, Hiroshi Asai, Seiji Saiga, Shogo Enya | 2020-12-29 |
| 9699403 | Communication system, transmission apparatus, transmission method, reception apparatus and reception method | Toshihide Hayashi, Masayuki Tsumura, Koki Tsumori, Ban Kawamura | 2017-07-04 |
| 9350931 | Communication system, transmission apparatus, transmission method, reception apparatus and reception method | Toshihide Hayashi, Masayuki Tsumura, Koki Tsumori, Ban Kawamura | 2016-05-24 |
| 9038123 | Communication system, transmission apparatus, transmission method, reception apparatus and reception method | Toshihide Hayashi, Masayuki Tsumura, Koki Tsumori, Ban Kawamura | 2015-05-19 |
| 9032471 | Communication system, transmission apparatus, transmission method, reception apparatus and reception method | Toshihide Hayashi, Masayuki Tsumura, Koki Tsumori, Ban Kawamura | 2015-05-12 |
| 8789127 | Communication system, transmission apparatus, transmission method, reception apparatus and reception method | Toshihide Hayashi, Masayuki Tsumura, Koki Tsumori, Ban Kawamura | 2014-07-22 |
| 8392958 | Communication system, transmission apparatus, transmission method, reception apparatus and reception method | Toshihide Hayashi, Masayuki Tsumura, Koki Tsumori, Ban Kawamura | 2013-03-05 |
| 8320771 | Optical transmission system and repeater | Tsuyoshi Yoshida, Toshiyuki Tokura, Takashi Sugihara, Aritomo Uemura, Hiroki Shima +1 more | 2012-11-27 |
| 8208812 | Optical relay device and optical relay transmission system | Toshiyuki Tokura, Kazuyuki Ishida, Kuniaki Motoshima | 2012-06-26 |
| 8199171 | Display device, image signal processing method, and program | Yasuo Inoue, Toshihide Hayashi, Masayuki Tsumura, Koki Tsumori, Ban Kawamura +1 more | 2012-06-12 |
| 8059971 | Optical reception device | Shunsuke Mitani, Kazuyuki Ishida | 2011-11-15 |
| 7903982 | Optical receiver | Jun'ichi Abe, Takashi Sugihara | 2011-03-08 |
| 7895498 | Apparatuses and method for error correction coding and error correction decoding | Yoshikuni Miyata, Hideo Yoshida, Kazuhide Ouchi, Tatsuya Kobayashi | 2011-02-22 |
| 7801450 | Optical transmitter and optical communication system | Junichi Abe | 2010-09-21 |
| 7768698 | Raman amplifier and optical communication system | Toshiyuki Tokura, Tasuku Fujieda, Ken'ichi Asakawa, Hitoshi Mikada, Katsuyoshi Kawaguchi | 2010-08-03 |
| 7501914 | Bias circuit | Kenkichi Shimomura, Takashi Sugihara | 2009-03-10 |
| 7239673 | Optical reception apparatus | Kazushige Sawada, Kazuo Kubo, Takashi Mizuochi, Hideo Yoshida, Hachiro Fujita +1 more | 2007-07-03 |
| 7236703 | Optical wavelength division multiplexing device | Shigeo Yamanaka, Takashi Mizuochi, Koji Goto, Shinichi Nakagawa, Eiichi Shibano +1 more | 2007-06-26 |
| 7170673 | Optical amplifying repeater apparatus and optical amplifying/repeating transmission system | Kuniaki Motoshima, Junichi Nakagawa, Naoki Suzuki | 2007-01-30 |
| 7092643 | Optical transmission apparatus and bias voltage control method for the optical modulator | Satoshi Kajiya, Kazuyuki Ishida, Yukio Kobayashi | 2006-08-15 |
| 7057802 | Optical amplifier device | Satoshi Kajiya, Takahiko Itoh | 2006-06-06 |
| 7058313 | Multi-value modulation apparatus | Kazuyuki Ishida, Yukio Kobayashi | 2006-06-06 |
| 7034993 | Optical amplifier apparatus | Satoshi Kajiya, Takahiko Itoh | 2006-04-25 |
| 7016614 | Optical wavelength division multiplexing transmission suppressing four-wave mixing and SPM-GVD effects | Satoshi Kajiya, Yukio Kobayashi, Takashi Mizuochi | 2006-03-21 |