Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432872 | Composition for use in adsorption treatment, products formed with the same, and a method for producing adsorbent using the same | Yoshinori Tsushio, Tuyoshi Nishijima, Taeko Shimizu, Osamu Takayama, Hirosuke Sumida | 2002-08-13 |
| 5122197 | Method of producing cast-iron product | Hiroshi Asai, Kouji Mineshita, Ken-ichi Okazaki, Akira Ohtsuka, Yuichi Nishiyama +1 more | 1992-06-16 |