Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663684 | Dust collecting filter cloth and bag filter | Makoto Nakahara, Takehiko Miyoshi | 2003-12-16 |
| 6583072 | Fabric from impregnated polyphenylene sulfide fibers | Kiyoshi Aihara, Takehiko Miyoshi | 2003-06-24 |
| 6561940 | Method of and apparatus for driving aircraft generator at a constant-speed | Tatsuhiko Goi, Kenichiro Tanaka, Takayuki Isano, Hisashi Machida, Hiroyuki Ito +1 more | 2003-05-13 |