Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10260585 | Brake disc and manufacturing method thereof | Shin-ichi Saga, Yasushi Karino, Kazutaka Asabe, Atsushi Sakaguchi, Yoshihiro Tatsumi | 2019-04-16 |
| 10243664 | Optical modulator driver circuit and optical transmitter | Munehiko Nagatani, Hideyuki Nosaka, Toshihiro Itoh, Koichi Murata, Hiroyuki Fukuyama +15 more | 2019-03-26 |
| 10090921 | Light modulation device and light modulation method | Hiroto Kawakami, Takashi Ono, Akihiko Matsuura, Tomoyoshi Kataoka, Katsuya Tanaka +2 more | 2018-10-02 |
| 9122084 | Phase modulation apparatus | Shigeru Ono, Kouichi Ogihara, Jun Endo | 2015-09-01 |
| 8005374 | Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission system | Kazushige Yonenaga, Masahito Tomizawa, Akira Hirano, Shoichiro Kuwahara, Tomoyoshi Kataoka +2 more | 2011-08-23 |
| 7995930 | Optical receiver using Mach-Zehnder interferometer | Fumiaki Saitou, Shigeru Ono, Yosuke Takeuchi, Kazushige Yonenaga, Shoichiro Kuwahara +3 more | 2011-08-09 |
| 7734194 | Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission system | Kazushige Yonenaga, Masahito Tomizawa, Akira Hirano, Shoichiro Kuwahara, Tomoyoshi Kataoka +2 more | 2010-06-08 |
| 6934308 | Precoding circuit and precoding-mulitplexing circuit for realizing very high transmission rate in optical fiber communication | Kazushige Yonenaga, Koichi Murata, Yutaka Miyamoto | 2005-08-23 |