Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7974540 | Communication system and communication method using the same | Akihisa Tomita, Kazuo Nakamura, Akio Tajima, Akihiro Tanaka, Yoshihiro Nanbu +3 more | 2011-07-05 |
| 7829730 | Process for production of methylene disulfonate compound | Takehiro Hiyama, Hidehiko Myoken, Hirokazu Kagano | 2010-11-09 |
| 7780430 | Mandrel, and apparatus and process for resin film production with mandrel | Shingo Yoshida | 2010-08-24 |
| 7625194 | Unit for production of tubular resin film | Shingo Yoshida, Seigou Akazawa, Toyotaro Maruyama, Shigeyoshi Furuhara, Masanori Ikenaga +1 more | 2009-12-01 |
| 7602823 | Light-emitting element | Hiroyuki Yamazaki | 2009-10-13 |
| 7580634 | Transmission method, transmitter-receiver, and transmitting-receiving system | Akio Tajima, Shigekazu Harada, Akihiro Tanaka, Wakako Maeda | 2009-08-25 |
| 7560683 | Photo detecting circuit and noise elimination method utilized to produce a photo reception signal | Seigo Takahashi, Akio Tajima, Akihiro Tanaka, Wakako Maeda | 2009-07-14 |
| 7178277 | Quantum cryptography communication system and quantum cryptography key distributing method used in the same | — | 2007-02-20 |
| 7118798 | Polyimide-metal layered products and polyamideimide-metal layered product | Hideki Goda, Takayuki Fujiwara | 2006-10-10 |
| 6744225 | Ion accelerator | Masahiro Okamura, Toshiyuki Hattori | 2004-06-01 |
| 6737718 | Semiconductor photodetector | — | 2004-05-18 |
| 6646317 | High power photodiode | — | 2003-11-11 |
| 6392670 | Device setup support system and method and recording medium | Shinji Tanaka | 2002-05-21 |
| 6091413 | Device setup support system and method and recording medium | Shinji Tanaka | 2000-07-18 |
| 5910012 | Waveguide type semiconductor photodetecting device method for fabricating | — | 1999-06-08 |
| 5841929 | Light wavelength filtering circuit and manufacturing method thereof | Keiro Komatsu, Masako Hayashi, Kiichi Hamamoto, Tatsuya Sasaki | 1998-11-24 |
| 5796883 | Optical integrated circuit and method for fabricating the same | Kiichi Hamamoto, Tatsuya Sasaki, Masako Hayashi, Keiro Komatsu, Ikuo Mito +1 more | 1998-08-18 |
| 5703974 | Semiconductor photonic integrated circuit and fabrication process therefor | Tatsuya Sasaki | 1997-12-30 |
| 5701379 | Waveguide type semiconductor photodetecting device and fabrication process therefor | — | 1997-12-23 |
| 5521994 | Semiconductor optical waveguide-integrated light-receiving device | Kenko Taguchi, Keiro Komatsu, Masako Yamamoto, Kiichi Hamamoto | 1996-05-28 |
| 4675250 | Magnetic recording medium | Hiroyuki Kanai, Tetsuya Imamura, Shigetoshi Suzue | 1987-06-23 |
| 4620882 | Process for continuously coloring stainless steel | Hideo Kaito | 1986-11-04 |
| 4378602 | Communication system with a limited communication area | Yutaka Umetsu | 1983-03-29 |
| 4269633 | Method for coloring stainless steel | Hisao Takamura, Kiyoshi Takatsu, Hidehiro Shibata | 1981-05-26 |
| 4232931 | Connector for coaxial cables | Takao Terasawa | 1980-11-11 |