Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9967050 | Optical signal processing device | Kazunori Seno, Yuichiro Ikuma, Yuzo Ishii, Koichi Hadama | 2018-05-08 |
| 9723387 | Optical signal processing device with an array waveguide coupled to a slab waveguide with two arcs | Kazunori Seno, Naoki Ooba, Tetsuo Takahashi, Toshio Watanabe, Takeshi Kawai +4 more | 2017-08-01 |
| 9645321 | Optical signal processing device | Yuichi Higuchi, Jo ji Yamaguchi, Koichi Hadama, Yuzo Ishii, Kazunori Seno +1 more | 2017-05-09 |
| 9600224 | Commodity information browsing system, server apparatus, and control program | Seiji Ishikawa, Shuji Takahashi, Ryu Morita, Hiroki Mochizuki, Yoshihiko Ikeda +2 more | 2017-03-21 |
| 9588300 | Optical input/output device | Mitsumasa Nakajima, Keita Yamaguchi, Joji Yamaguchi, Yuzo Ishii, Koichi Hadama +4 more | 2017-03-07 |
| 9467755 | Optical switch | Yuzo Ishii, Koichi Hadama, Kazunori Seno | 2016-10-11 |
| 9459417 | Planar lightwave circuit | Yusuke Nasu, Ryoichi Kasahara, Ikuo Ogawa, Fumihiro Ebisawa | 2016-10-04 |
| 9360629 | Waveguide type optical switch | Toshio Watanabe, Takashi Goh, Hiroshi Yamazaki, Atsushi Mori | 2016-06-07 |
| 9307301 | Optical switch | Kazunori Seno, Naoki Ooba, Toshio Watanabe, Tetsuo Takahashi | 2016-04-05 |
| 9201194 | Optical module | Naoki Ooba, Hiroshi Tomita, Kenji Kobayashi, Yuko Kawajiri | 2015-12-01 |
| 9116317 | Planar lightwave circuit | Yusuke Nasu, Ryoichi Kasahara, Ikuo Ogawa, Fumihiro Ebisawa | 2015-08-25 |
| 9020310 | Optical waveguide and arrayed waveguide grating | Keiichi Morita, Kazumi Shimizu, Koji Kawashima | 2015-04-28 |
| 8983252 | Optical circuit and optical signal processing apparatus using the same | Motohaya Ishii, Naoki Ooba, Shinji Mino | 2015-03-17 |
| 8346086 | Optical signal processing device | Naoki Ooba, Motohaya Ishii, Shinji Mino, Kazunori Seno | 2013-01-01 |
| 8260139 | Dispersion compensator | Kazunori Seno, Naoki Ooba, Shinji Mino, Motohaya Ishii | 2012-09-04 |
| 8244133 | Optical waveband demultiplexer, optical waveband multiplexer, and optical waveband selective switch | Ken Sato, Hiroshi Hasegawa, Shoji Kakehashi, Osamu Moriwaki, Shin Kamei +2 more | 2012-08-14 |
| 8204347 | Optical signal processing device | Naoki Ooba, Motohaya Ishii, Shinji Mino, Atsushi Aratake | 2012-06-19 |
| 7479524 | Process for producing aqueous resin dispersions | Takashi Kitamura, Keiichiro Saikawa, Kenichi Tomita, Takeshi Inoue, Hiromi Harakawa +1 more | 2009-01-20 |
| 6694194 | Remote work supporting system | Takahiro Oda, Kenji Kadota, Yuji Ohta | 2004-02-17 |
| 6099968 | Water-base metallic paint composition and method of forming overcoat | Hiromi Harakawa | 2000-08-08 |
| 5747572 | Releasable aqueous coating composition and method of temporarily protecting finished coating film on automobile body by use of the same | Seiji Kashiwada, Shouji Takahashi, Hiroshi Inoue, Hiromi Harakawa, Fumiaki Nakao | 1998-05-05 |
| 5716667 | Method of temporarily protecting finished coating film on automobile body | Seiji Kashiwada, Shouji Takahashi, Hiroshi Inoue | 1998-02-10 |
| 5601454 | Method of and construction for detecting defect in lance | Shinji Kodama | 1997-02-11 |
| 5322865 | Aqueous color paint compositions and coating method using same | Hiroshi Inoue, Hiromi Harakawa, Akira Kasari, Yoshinori Kato | 1994-06-21 |