Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818080 | Method for manufacturing shaped light metal article | Kazuo Sakamoto, Nobuo Sakate | 2004-11-16 |
| 5340414 | Heat-resistant ferritic cast steel member | Hiroshi Asai, Nobuhide Takeshige, Masahiko Shibahara, Motofumi Omori, Shigenori Morimoto | 1994-08-23 |
| 5122197 | Method of producing cast-iron product | Hiroshi Asai, Ichiro Kitayama, Kouji Mineshita, Ken-ichi Okazaki, Akira Ohtsuka +1 more | 1992-06-16 |
| 4863533 | Apex seal for rotary piston engine and method for manufacturing the same | Katsunori Hanakawa, Ken-ichi Okazaki | 1989-09-05 |