Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147035 | Lubricating oil composition containing overbased metal salicylate, amine antioxidant, phenol antioxidant, polyalkenylsuccinimide and zinc dialkyldithiophosphate | Yasunori Sougawa, Masaaki Shiomi | 2000-11-14 |
| 4959338 | Heat-resistant catalyst carrier moldings and catalysts for combustion | Tadashi Miura, Takuji Itoh, Masaaki Kadono | 1990-09-25 |
| 4833181 | Polyolefin composition containing cellulose fibers and a deodorizer | Kiyotada Narukawa, Noboru Yamamoto, Taizo Yamaguchi, Hiroyuki Wakabayashi, Fumio Kato +1 more | 1989-05-23 |
| 4467061 | Weather resistant polyolefin composition | Noboru Yamamoto, Shigeo Yamazaki, Tsuyoshi Kanai, Kazuo Sei, Yoshiro Umemoto | 1984-08-21 |