Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10686294 | Semiconductor element and method of manufacturing the same | Yoshihiko Furukawa | 2020-06-16 |
| 8014044 | Image scanning device | Yuki Shiga | 2011-09-06 |
| 7792430 | Automatic power restoring method and optical communication system | Shinichirou Harasawa, Hideki Maeda, Akira Naka, Gentaro Funatsu | 2010-09-07 |
| 7664392 | Automatic power restoring method and optical communication system | Shinichirou Harasawa, Hideki Maeda, Akira Naka, Gentaro Funatsu | 2010-02-16 |
| 7586672 | Optical transmission system | Eiji Ishikawa, Hiroto Ikeda | 2009-09-08 |
| 7541805 | Magnetic characteristics measuring method and system | Masaki Mito, Kunihiko IRIE, JUNPEI YAMADA, Seishi Takagi | 2009-06-02 |
| 7538640 | Waveguide and attenuation pole waveguide bandpass filter | Mikio Tsuji, Masataka Ohira | 2009-05-26 |
| 7437069 | Automatic power restoring method and optical communication system | Shinichirou Harasawa, Hideki Maeda, Akira Naka, Gentaro Funatsu | 2008-10-14 |
| 7251072 | Optical transmission system | Toshihiro Ohtani, Tsukasa Takahashi, Eiji Ishikawa, Hiroto Ikeda | 2007-07-31 |
| 7092149 | Input monitoring system for optical amplifying repeater | Shinichirou Harasawa, Masuo Suyama | 2006-08-15 |
| 6980745 | Optical transmission system | Shin-ichirou Harasawa, Izumi Yokota | 2005-12-27 |
| 6642901 | Horn antenna apparatus | Soichi Matsumoto, Hiroshi Shigesawa, Mikio Tsuji | 2003-11-04 |
| 6452721 | Method, device, and system for evaluating characteristics of optical fiber transmission line | Shin-ichirou Harasawa | 2002-09-17 |
| 6288683 | Antenna mirror surface measuring/adjusting device | Norio Miyahara, Shuji Urasaki, Soichi Matsumoto, Masato Ishiguro, Tomohiro Mizuno +1 more | 2001-09-11 |
| 6169612 | Image processor provided with document detecting means | — | 2001-01-02 |
| 6075633 | Light transmission system | Shin-ichirou Harasawa | 2000-06-13 |
| 5838476 | Input monitoring system for optical amplifying repeater | Shinichirou Harasawa, Masuo Suyama | 1998-11-17 |
| 5374934 | Antenna mirror-surface measuring system | Koryo Miura, Tadashi Takano, Takashi Ebisui, Takashi Katagi | 1994-12-20 |
| 5345257 | Box body construction of a digital image forming apparatus | Hirotoshi Tagawa | 1994-09-06 |
| 5298917 | Digital image forming apparatus | Hirotoshi Tagawa, Toru Taniguchi, Hideyuki Tanaka | 1994-03-29 |
| 5144387 | Color image forming apparatus | Hideyuki Tanaka, Takao Ichihashi | 1992-09-01 |
| 5023670 | Developing apparatus having developing units with a sliding member contacting a guide member | Hideki Kita, Akira Nakakuma, Hidehiro Fukui | 1991-06-11 |
| 4982242 | Color image forming apparatus | Yoshifumi Ishii, Masami Kai, Tetsuya Kagawa, Masashi Matsumoto, Hideki Kita +1 more | 1991-01-01 |
| 4930995 | Device for reducing refrigerant gas pulsations in a compressor | Shinichi Suzuki, Takahiro Hamaoka, Sokichi Hibino | 1990-06-05 |
| 4890458 | Refrigerating circuit for car air conditioning | Hisao Kobayashi, Katsunori Kawai, Masayuki Tanikawa | 1990-01-02 |