Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739280 | Lubricant additive, lubricant additive composition, and lubricating oil composition containing the same | Yutaro Shimizu, Hideki Kawamoto | 2023-08-29 |
| 11739283 | Lubricant additive, lubricant additive composition, and lubricating oil composition containing the same | Yutaro Shimizu, Hideki Kawamoto, Seita Ueda | 2023-08-29 |
| 11603582 | Al—Si—Fe-based aluminum alloy casting material and method for producing the same | Satoru Suzuki, Katumi Fukaya | 2023-03-14 |
| 11549461 | High strength aluminum alloy, internal combustion engine piston comprising said alloy, and method for manufacturing internal combustion engine piston | Izumi Yamamoto, Hiroshi Horikawa, Katsumi Fukaya, Takashi Seki, Tadashi Watanabe | 2023-01-10 |