Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10199188 | Gas circuit breaker | Masanao Terada, Yuki Nakai, Yoichi Oshita, Hiroaki Hashimoto, Hajime Urai | 2019-02-05 |
| 9959999 | Method for controlling power switching apparatus | Koichiro Adachi, Hajime Urai, Masataka Sasaki | 2018-05-01 |
| 9899172 | Circuit breaker and circuit breaker operating method | Hajime Urai, Yasuaki Aoyama, Hiroaki Hashimoto, Tatsuro Kato, Ayumu Morita +2 more | 2018-02-20 |
| 9754742 | Gas circuit breaker | Masanao Terada, Yoichi Oshita | 2017-09-05 |
| 9620315 | Gas circuit breaker | Masanao Terada, Hajime Urai, Yoichi Oshita, Hiroaki Hashimoto, Noriyuki Yaginuma | 2017-04-11 |
| 8674562 | Linear motor armature and linear motor | Shusaku Yoshida, Yuji Nitta, Kazuyuki Shiono | 2014-03-18 |
| 8324992 | Electromagnetic contactor | Jun Kurashige, Takashi Sato | 2012-12-04 |
| 6599352 | Water-based ink composition for writing instrument | Masaru Miyamoto, Yoji Takeuchi, Tadashi Kamagata | 2003-07-29 |
| 6521035 | Ink follow up composition for water-base ball pen | — | 2003-02-18 |
| 6391927 | Method for manufacturing ink follower for water base ballpoint pens | Norio Ogura, Youji Takeuchi, Kiyoshi Iwamoto, Tadashi Kamagata | 2002-05-21 |
| 6376560 | Ink follower for water-base ballpoint pens and method of manufacturing the same | Norio Ogura, Youji Takeuchi, Kiyoshi Iwamoto, Tadashi Kamagata | 2002-04-23 |
| 6227738 | Method of manufacturing ink follower for water-base ballpoint pens | Norio Ogura, Youji Takeuchi, Kiyoshi Iwamoto, Tadashi Kamagata | 2001-05-08 |
| 6132124 | Ink follower for aqueous ballpoint pen using gel-like material and solid piece | Norio Ogura, Kazuhiko Furukawa | 2000-10-17 |
| 5850065 | Gas circuit breaker | Noriyuki Yaginuma, Masanori Tsukushi, Makoto Yano, Youichi Ohshita | 1998-12-15 |
| 5777842 | Transformer station and breaker apparatus | Masanori Tsukushi, Youichi Ohshita, Ken'ichi Natsui, Yuzuru Kamata, Makoto Yano +1 more | 1998-07-07 |
| 5733344 | Temporary hair dyes containing a dispersant, titanium black, pigments and an alcoholic solvent, and processes of producing temporary hair dyes | Kiyokazu Sakurai, Tetsuo Kosaka, Tomoko Hasegawa, Kazuhiro Ami, Takashi Umeno | 1998-03-31 |
| 5693313 | Teeth coating liquid | Kiyokazu Sakurai, Tetsuo Kosaka, Takashi Umeno, Tomoko Hasegawa, Kazuhiro Ami | 1997-12-02 |
| 5348989 | Ink volatilization preventing composition for aqueous ball point pen | — | 1994-09-20 |