Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467513 | Method for packing catalyst and device therefor | Hitoshi Nakamura, Yuzuru Yanagisawa | 2002-10-22 |
| 5773589 | Steam reforming catalysts for lower hydrocarbons | Kazuo Shoji, Ryuichi Mogami, Toru Numaguchi, Toshio Matsuhisa, Yasuo Nishioka +1 more | 1998-06-30 |
| RE33782 | Valve | Yuichi Fujita, Takayuki Kaneko, Mitsuo Okada, Kazumi Shima, Tohru Numaguchi | 1991-12-31 |
| 4932981 | Apparatus for the production of gas | Kozo Ohsaki, Hirohisa Uozu | 1990-06-12 |
| 4909809 | Apparatus for the production of gas | Kozo Ohsaki, Hirohisa Uozu | 1990-03-20 |
| 4789132 | Valve | Yuichi Fujita, Takayuki Kaneko, Mitsuo Okada, Kazumi Shima, Tohru Numaguchi | 1988-12-06 |