Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7144163 | Optical connector with shutter, shutter unit, and inner piece | Yuwa Tanaka, Takaaki Ishikawa | 2006-12-05 |
| 7015653 | Light modulating apparatus for excimer discharge lamp | Masaki Nakamura | 2006-03-21 |
| 6905251 | Optical connector cleaning tool | Takaaki Ishikawa, Yuwa Tanaka | 2005-06-14 |
| 6866424 | Optical connector with shutter | Yuwa Tanaka, Takaaki Ishikawa | 2005-03-15 |
| 6865329 | Optical connector cleaning instrument and optical connector cleaning method | Takaaki Ishikawa, Kazuhiro Takizawa | 2005-03-08 |
| 6819855 | Clip removing tool and clip removing method | Yukio Hayashi, Yasuhiro Tamaki, Yoshikazu Nomura | 2004-11-16 |
| 6755574 | Optical connector | Yukio Hayashi, Yoshikazu Nomura, Hiroshi Yokosuka, Masaaki Takaya, Shinji Nagasawa | 2004-06-29 |
| 6425692 | Connecting structure for optical connector | Yukio Hayashi, Yoshikazu Nomura, Hiroshi Yokosuka, Masaaki Takaya, Shinji Nagasawa | 2002-07-30 |
| 6189650 | Muffler structure | Kazuhiro Inuzuka, Kazunari Ohno | 2001-02-20 |
| 5971098 | Muffler for internal combustion engine | Mitsuro Suzuki, Kazunari Ohno, Tetsuo Kato, Takanori Morishita | 1999-10-26 |
| 5902374 | Vacuum refining method for molten steel | Shinya Kitamura, Kimitoshi Yonezawa, Kenichiro Miyamoto, Shinji Sasakawa | 1999-05-11 |
| 5801343 | Muffler for internal combustion engine | Mitsuro Suzuki, Kazunari Ohno, Tetsuo Kato, Takanori Morishita | 1998-09-01 |
| 4842831 | Chlorine hydrate tank | Toshiaki Yabumoto | 1989-06-27 |
| 4728587 | Battery using halogen as active material | Toshio Horie, Yuichi Watakabe | 1988-03-01 |
| 4594298 | Zinc-chloride cell | Shunji Shimizu, Yuichi Watakabe, Toshiaki Yabumoto | 1986-06-10 |
| 4473625 | Zinc-halogen battery | Yuichi Watakabe, Fumiaki Fujisaki, Shunji Shimizu | 1984-09-25 |
| 4277572 | Galvanic cell separator | Kazuya Osawa, Yoshiteru Takeda, Toshiaki Yabumoto | 1981-07-07 |