Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D459935 | Case for DVD disk | Shigeru Okai, Akira Kato | 2002-07-09 |
| 6371885 | Working vehicle and vehicle speed control method thereof, variable power engine and power setting method thereof, and vehicle with variable power engine and power control method thereof | Tetsuo Kobayashi, Kazuhito Nishimaki | 2002-04-16 |
| 6335311 | Lubricant for refrigerators using ammonia refrigerant | Masato Namiki, Goro Yamamoto, Takashi Kaimai | 2002-01-01 |