Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080209 | Exhaust gas treatment apparatus | Tsuguo Koyanagi | 2011-12-20 |
| 7901742 | Method for forming metal oxide fine particle layer on conductive substrate | Takaki Mizuno, Tsuguo Koyanagi | 2011-03-08 |
| 7582373 | Electrolyte film and fuel cell | Tsuguo Koyanagi, Michio Komatsu | 2009-09-01 |
| 7431903 | Tubular titanium oxide particles and process for preparing same | Tsuguo Koyanagi, Atsushi Tanaka, Michio Komatsu | 2008-10-07 |
| 6864415 | Photoelectric cell and process for producing metal oxide semiconductor film for use in photoelectric cell | Tsuguo Koyanagi, Michio Komatsu, Hirokazu Tanaka | 2005-03-08 |
| 6538194 | Photoelectric cell and process for producing metal oxide semiconductor film for use in photoelectric cell | Tsuguo Koyanagi, Michio Komatsu, Hirokazu Tanaka | 2003-03-25 |
| 5929133 | Anti-bacterial film suitable for food packaging | Takayoshi Watanabe, Satoru Aoki, Shinichi Ohta, Atsushi Tanaka | 1999-07-27 |
| 5730995 | Antibacterial substance | Atsushi Tanaka, Kouichi Ohhama | 1998-03-24 |
| 5110783 | Hydrotreating catalyst and method for preparation thereof | Hidefumi Yamaguchi, Hiroyuki Kiyofuji, Rinpei Tokuou, Jun Fuchigami | 1992-05-05 |
| 4970183 | Hydrocarbon oil catalytic cracking catalyst compositions | Hiromi Nakamoto, Tatsuo Masuda, Kouichi Ohama, Masamitsu Ogata, Yoichi Nishimura | 1990-11-13 |
| 4925554 | Hydrotreating process for heavy hydrocarbon oils | Goro Sato, Hidehiro Higashi, Yoshio Eto | 1990-05-15 |
| 4613425 | Process for hydrotreating heavy hydrocarbon oils | Hidehiro Higashi, Yuusaku Arima, Yoichi Nishimura, Shinichi Yoshida | 1986-09-23 |