Issued Patents All Time
Showing 1–25 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12242143 | Optical device and optical communication apparatus | Yoshihiko Yoshida, Shuntaro Makino, Yoshinobu Kubota | 2025-03-04 |
| 12153294 | Optical device having dual waveguides with one being an electro-optic crystal waveguide | Shuntaro Makino, Teruo Kurahashi, Yoshinobu Kubota, Yoshihiko Yoshida, Takehito Tanaka | 2024-11-26 |
| 11709384 | Multilayer film, optical device, photonic integrated circuit device, and optical transceiver | — | 2023-07-25 |
| 11442298 | Optical modulation device and method for manufacturing optical modulation device | — | 2022-09-13 |
| RE48336 | Rolling apparatus | Koji Ueda, Toru Ueda, Naoya Seno | 2020-12-01 |
| 9952441 | Optical module | — | 2018-04-24 |
| 9777394 | Method of producing silicon single crystal ingot | Susumu Sonokawa, Wataru Sato, Tomohiko Ohta | 2017-10-03 |
| 9476142 | Method for manufacturing silicon single crystal | — | 2016-10-25 |
| 9234296 | Apparatus having heat insulating cylinder with step portion for manufacturing semiconductor single crystal | Shou Takashima, Yuuichi Miyahara, Atsushi Iwasaki, Susumu Sonokawa | 2016-01-12 |
| 8593138 | Bearing residual life prediction method, bearing residual life diagnostic apparatus and bearing diagnostic system | Tsuyoshi Nomura, Takamasa Ohira, Masahide Natori, Tohru Ueda, Ichiro Joko +1 more | 2013-11-26 |
| 8088230 | Rolling apparatus | Koji Ueda, Toru Ueda, Naoya Seno | 2012-01-03 |
| 7712972 | Optical receptacle | — | 2010-05-11 |
| 7438479 | Optical receptacle, optical sub assembly and optical transceiver | — | 2008-10-21 |
| 7407866 | Soi wafer and a method for producing the same | Masahiro Sakurada, Izumi Fusegawa | 2008-08-05 |
| 7384477 | Method for producing a single crystal and a single crystal | Masahiro Sakurada, Makoto Iida, Atsushi Ozaki | 2008-06-10 |
| 7340126 | Wavelength selective optical switch | — | 2008-03-04 |
| 7326395 | Method for producing a single crystal and silicon single crystal wafer | Izumi Fusegawa, Takahiro Yanagimachi | 2008-02-05 |
| 7323048 | Method for producing a single crystal and a single crystal | Masahiro Sakurada, Makoto Iida, Atsushi Ozaki | 2008-01-29 |
| 7304798 | Spectroscopic apparatus | Hirotomo Izumi, Hiroshi Nagaeda | 2007-12-04 |
| 7294196 | Silicon single crystal wafer, an epitaxial wafer and a method for producing a silicon single crystal | Masahiro Sakurada, Izumi Fusegawa, Tomohiko Ohta | 2007-11-13 |
| 7226507 | Method for producing single crystal and single crystal | Tomohiko Ohta, Izumi Fusegawa, Masahiro Sakurada, Atsushi Ozaki | 2007-06-05 |
| 7200297 | Device using a virtually-imaged phased array (VIPA) with an improved transmission wave characteristic of output light | Yasuhiro Yamauchi, Yuichi Kawahata, Hirohiko Sonoda | 2007-04-03 |
| 7179330 | Method of manufacturing silicon single crystal, silicon single crystal and silicon wafer | Izumi Fusegawa, Sadayuki Okuni, Tomohiko Ohta, Nobuo Katuoka | 2007-02-20 |
| 7137741 | Rolling bearing | Shinji Fujita, Youichi Matsumoto, Yasuo Murakami, Shigeru Okita | 2006-11-21 |
| 7129123 | SOI wafer and a method for producing an SOI wafer | Masahiro Sakurada, Izumi Fusegawa, Tomohiko Ohta | 2006-10-31 |