Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9885417 | Piston ring | Kouhei Sugimoto, Yoshinari Watanabe, Ryou Obara | 2018-02-06 |
| 9709169 | Piston ring | Kouhei Sugimoto, Yoshinari Watanabe, Hayato Sasaki | 2017-07-18 |
| 9285032 | Piston ring | Hayato Sasaki, Takashi Ono, Kouhei Sugimoto | 2016-03-15 |
| 7759015 | Separator for fuel cell with austenitic stainless steel substrate | Yunzhi Gao, Jun Satou | 2010-07-20 |
| 6784419 | Electromagnetic wave absorber | Yasushi Sakai | 2004-08-31 |
| 6771204 | Radio wave absorber | Akira Kunimoto | 2004-08-03 |
| 6582687 | Weak acid skin cleanser | Yohei Hamano, Shin Nakamura, Yumiko Fujiwara, Tomiyuki Namba | 2003-06-24 |
| 6373425 | Composite electromagnetic wave absorber and method of fitting the same | Shigeo Inoue, Kazuo Shimada | 2002-04-16 |
| 6294536 | Triazine derivatives, their production and use | Hideki Miki, Isao Aoki | 2001-09-25 |
| 6197318 | Composition for external use | Koji Abe, Reiji Miyahara, Tomiyuki Nanba, Tadashi Nakamura, Nozomiko Seki +2 more | 2001-03-06 |
| 6146647 | Multi-layer lightweight texture composition | Yukari Aoyama, Koji Abe | 2000-11-14 |
| 5985875 | 1,2,4-triazine-3, 5-dione derivatives, their production and use thereof | Hideki Miki, Isao Aoki, Koichi Iwanaga | 1999-11-16 |
| 5892188 | Porous ferrite wave absorber | Hiroshi Kawamoto | 1999-04-06 |