Issued Patents All Time
Showing 1–25 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7549445 | Female coupling member of a pipe coupling | Takuya Nishio, Kohji Matsumoto | 2009-06-23 |
| 7537246 | Pipe coupler | Koji Matsumoto | 2009-05-26 |
| 7370561 | Electric driver | Takayuki Okamoto, Tameyoshi Oshima, Yasuo Kazama | 2008-05-13 |
| 7143840 | Impact tool | Yasumasa Ohki, Yasumasa Suzuki | 2006-12-05 |
| 7121773 | Electric drill apparatus | Keisuke Shimada, Munenori Yamaguchi, Takashi Chiba, Kenji Ohtsuka | 2006-10-17 |
| 7118089 | Fluid coupler | Toru Kohda | 2006-10-10 |
| 7111819 | Stop ring and a hydraulic/pneumatic device equipped with a stop ring | Koji Matsumoto | 2006-09-26 |
| 7013986 | Impact tool | Yasumasa Ohki, Yasumasa Suzuki | 2006-03-21 |
| 7001117 | Rotary cutting apparatus | Keisuke Shimada, Takashi Chiba, Munenori Yamaguchi, Kenji Ohtsuka | 2006-02-21 |
| 6916235 | Hand-held endless belt abrading machine | Takashi Chiba, Atsushi Miura, Keiichi Murakami | 2005-07-12 |
| 6899132 | Fluid coupler | Hiroyuki Kitagawa | 2005-05-31 |
| 6886803 | Female and male couplers of pipe coupling | Jin Yamashita | 2005-05-03 |
| 6871837 | Valve structure for use in a pipe coupling and a pipe coupling comprising the valve structure | Koji Matsumoto | 2005-03-29 |
| 6830070 | Fluid coupler automatically uncouplable in an emergency | Koji Matsumoto | 2004-12-14 |
| 6827329 | Pipe coupling | Reichi Makishima, Hidemi Seki | 2004-12-07 |
| 6792974 | Fluid coupler | Hiroyuki Kitagawa | 2004-09-21 |
| D487900 | Loop cutter | Kuniaki Shibuya, Takashi Chiba, Noboru Saitou | 2004-03-30 |
| 6382935 | Electromagnetic diaphragm pump | Kenji Mizuno, Atsuki Hashimoto | 2002-05-07 |
| 5340288 | Electromagnetic pump | Toshio Osada | 1994-08-23 |
| 5222878 | Electromagnetic reciprocating pump | Toshio Osada, Tamotsu Mori, Masaaki Tanabe | 1993-06-29 |
| D333511 | Pipe coupler | Reichi Makishima | 1993-02-23 |
| D333179 | Pipe coupler | Reichi Makishima | 1993-02-09 |
| D333079 | Portable vibrating chisel | — | 1993-02-09 |
| D333078 | Portable vibrating chisel | — | 1993-02-09 |
| D333077 | Portable rotary grinder | — | 1993-02-09 |