Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656871 | Method for production of catalyst | Shigeyoshi Taniguchi, Katsuji Tanihira, Ryugo Kakimi | 2003-12-02 |
| 6653801 | Mercury-free metal-halide lamp | Mamoru Takeda, Kiyoshi Takahashi, Makoto Kai, Takeshi Saito, Hideaki Kiryu | 2003-11-25 |
| 6622382 | Method for production of exhaust gas purifying catalyst | Nakaba Tamura, Shigeyoshi Taniguchi, Katsuji Tanihira, Ryugo Kakimi | 2003-09-23 |
| 6602479 | Exhaust gas purifying catalyst | Shigeyoshi Taniguchi | 2003-08-05 |
| 6600268 | Short arc mercury lamp and lamp unit | Makoto Kai, Tsuyoshi Ichibakase, Tomoyuki Seki, Mamoru Takeda, Shinichi Yamamoto +1 more | 2003-07-29 |
| 6599857 | Method for production of catalyst | Shigeyoshi Taniguchi, Ryugo Kakimi | 2003-07-29 |
| 6555081 | Method of the purification of the exhaust gas from a lean-burn engine using a catalyst | Masao Hori | 2003-04-29 |
| 6545413 | Metal halide lamp | Kiyoshi Takahashi, Mamoru Takeda | 2003-04-08 |
| 6545414 | High-pressure discharge lamp | Kiyoshi Takahashi, Makoto Kai | 2003-04-08 |