Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8801055 | Door lock mechanism | — | 2014-08-12 |
| 8361940 | Low sulfated ash, low sulfur, low phosphorus, low zinc lubricating oil composition | Morikuni Nakazato, Yoshitaka Takeuchi | 2013-01-29 |
| 5569405 | Low phosphorous engine oil compositions and additive compositions | Morikuni Nakazato, Shigeru Iwamoto | 1996-10-29 |
| 5551401 | Air suction system for internal combustion engine | Hideki Komada, Yuji Yamamoto | 1996-09-03 |