Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172707 | Power steering system for vehicle | Kouhei Ohno, Junko Takao | 2024-12-24 |
| 9192722 | Pharmaceutical injection device | Shinsuke Hata, Seiji Kikuchi, Tsuguhiro Kondoh | 2015-11-24 |
| 9013115 | Discharge lamp igniting apparatus | Hiroki Morimoto | 2015-04-21 |
| 9013159 | Parallel-operating power supply system | Hiroki Morimoto | 2015-04-21 |
| 8008515 | Catalyst for partial oxidation of olefin, preparation method thereof, and process for preparing alkylene oxide | Masahide Shima, Masafumi Sugio | 2011-08-30 |
| 5663114 | Catalyst for production of pyromellitic anhydride and method for production of pyromellitic anhydride | Tsukasa Takahashi, Masaaki Okuno, Yasuhisa Emoto, Yasushi Kiyooka, Kenji Ueda | 1997-09-02 |
| 5504218 | Method for production pyromellitic anhydride | Tsukasa Takahashi, Masaaki Okuno, Yasuhisa Emoto, Toshio Sagane, Kenji Ueda | 1996-04-02 |
| 5235071 | Catalyst for producing phthalic anhydride and process by using the same | Kenji Ueda, Masaaki Okuno, Shinya Tanaka | 1993-08-10 |
| 5229527 | Method for production of phthalic anhydride by vapor-phase oxidation of mixture of ortho-xylene with naphthalene | Kenji Ueda, Masaaki Okuno, Shinya Tanaka | 1993-07-20 |
| 5169820 | Catalyst for producing phthalic anhydride | Kenji Ueda, Masaaki Okuno, Chisako Nishio, Shinya Tanaka | 1992-12-08 |