Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427846 | Vehicle-body front structure including a contactless charger | Kota Yoshida, Taiki YOTSUYANAGI, Tsuguto Watanabe, Hiroshi Tanaka | 2025-09-30 |
| 10947472 | Lubricant base oil for power transmission | Akinobu Takegami, Shinya Tsujimoto, Jun Itsuki | 2021-03-16 |
| 9663741 | Lubricant base oil for fluid bearing | Shinya Tsujimoto, Hiroshi Ishida | 2017-05-30 |
| 7517838 | Lubricating oil for bearing | Kouji Takahashi, Hirotaka Tomizawa | 2009-04-14 |
| 7282601 | Dicarboxylic diester, process for producing the same, and refrigerating machine lubricating oil comprising the ester | Kouji Takahashi, Makiko Takii | 2007-10-16 |
| 7271282 | Dicarboxylic diester, process for producing the same, and refrigerating machine lubricating oil comprising the ester | Kouji Takahashi, Makiko Takii | 2007-09-18 |
| 6667285 | Lubricating oil for refrigerator, hydraulic fluid composition for refrigerator and method for lubricating of refrigerator | Kouji Takahashi, Hirotaka Tomizawa | 2003-12-23 |
| 6235823 | Crystalline polypropylene resin composition and amide compounds | Naoki Ikeda, Masafumi Yoshimura, Kazuaki Mizoguchi, Hiroshi Kitagawa, Yuji Kawashima +1 more | 2001-05-22 |