Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5590709 | Housingless type oil cooler and method for producing the same | Makoto Tajima, Shinji Araki | 1997-01-07 |
| 5513702 | Housingless type oil cooler and method for producing the same | Makoto Tajima, Shinji Araki | 1996-05-07 |
| 5511612 | Oil cooler having water pipe reinforcement | Makoto Tajima, Tomoyuki Mano, Shigeru Sasaki | 1996-04-30 |
| 5464056 | Housingless type oil cooler and method for producing the same | Makoto Tajima, Shinji Araki | 1995-11-07 |
| 5165468 | Oil cooler for automatic transmission | Makoto Tajima, Kuniaki Ohki, Hiroyuki Yoshida | 1992-11-24 |
| 5099912 | Housingless oil cooler | Makoto Tajima, Kuniaki Ohki, Hiroyuki Yoshida | 1992-03-31 |