Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11486512 | Opening and closing handle, and valve device | Masaru Takeda | 2022-11-01 |
| 11215290 | Non-return valve mechanism and one-way valve device | Masaru Takeda | 2022-01-04 |
| 9194435 | Sliding bearing | Ryohei Kaneko | 2015-11-24 |
| 9095143 | Antimicrobial agent and method for producing the same | Masayoshi Iwahara, Hiroshi Morita | 2015-08-04 |
| 8066435 | Strut sliding bearing | Ryohei Kaneko | 2011-11-29 |
| 7993061 | Sliding bearing | Tadashi Watai, Ryohei Kaneko | 2011-08-09 |
| 7407329 | Sliding bearing | Tadashi Watai, Ryohei Kaneko | 2008-08-05 |
| 7357578 | Thrust sliding bearing | Tadashi Watai, Atsushi Ueno, Ryohei Kaneko | 2008-04-15 |
| 7293918 | Sliding bearing | Tadashi Watai, Ryohei Kaneko | 2007-11-13 |
| 7273317 | Thrust sliding bearing | Ryohei Kaneko | 2007-09-25 |
| 7198406 | Thrust sliding bearing | Tadashi Watai, Atsushi Ueno, Ryohei Kaneko | 2007-04-03 |
| 7111818 | Safety valve | Masaru Takeda, Akira Oi, Mitsumasa Kagomoto, Shinji Maekawa, Mari Shiotsuki | 2006-09-26 |
| 6918701 | Synthetic resin-made sliding bearing | Atsushi Ueno | 2005-07-19 |
| 6554251 | Diaphragm-type valve | Masaru Takeda, Koji Miyazaki | 2003-04-29 |
| 6196523 | Stop valve | Koichi Kaminaga, Koji Miyazaki | 2001-03-06 |