Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7322179 | Air intake and method for breathing air using an air intake | Hiroaki Kobayashi, Tetsuya Sato, Takayuki Kojima, Yusuke Maru | 2008-01-29 |
| 7118072 | Method for reducing resistance of flying object using expandable nose cone | Hiroaki Kobayashi, Tetsuya Sato, Motoyuki Hongo, Yusuke Maru | 2006-10-10 |
| 6301928 | Method for improving the performance of a cryogenic heat exchanger under frosting conditions | Kenya Harada | 2001-10-16 |
| 5694769 | Liquid oxidizer immersion type hybrid rocket | Ryojiro Akiba, Masahiro Kohno, Rikio Yokota | 1997-12-09 |
| 4894989 | Heater for a stirling engine | Tomokimi Mizuno, Tetsumi Watanabe, Ryojiro Akiba | 1990-01-23 |