Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090644 | Porous carbon material, method for producing same and use of same | Keita Takahashi, Mitsunori Hitomi, Takayuki Yamada | 2021-08-17 |
| 11065603 | Porous carbon material, method for producing same, and use of same | Keita Takahashi, Mitsunori Hitomi, Takayuki Yamada | 2021-07-20 |
| 10987650 | Adsorption filter | Keita Takahashi, Tetsuya Hanamoto, Hiroe Yoshinobu, Takayuki Yamada | 2021-04-27 |
| 10974224 | Activated carbon, metal-carrying activated carbon using same and hydrogenation reaction catalyst | Keita Takahashi, Takayuki Yamada | 2021-04-13 |
| 9359390 | Activated carbon and use therefor | Mitsunori Hitomi, Takayuki Yamada | 2016-06-07 |
| D749008 | Signal indicator lamp | Daisuke Shigematsu | 2016-02-09 |
| 7052533 | Filter element, method for manufacture thereof, and filter using said element | Fumio Nakahara, Masaki Fukuura | 2006-05-30 |
| 6554886 | Porous adsorbent and filter | Masaki Fukuura, Shushi Nishimura | 2003-04-29 |
| 4746220 | Screw type extruding or kneading machine and screw used therein | Kiyoshi Sukai, Keizo Ichii, Shigeru Takane, Hiroshi Inada, Takao Yamada | 1988-05-24 |