Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702860 | Method for producing non-spherical particle | Mikio Koyama, Tomoe Kikuchi | 1997-12-30 |
| 5696630 | Focal plates and method of manufacturing the same | — | 1997-12-09 |
| 5607578 | Filter system for an in-tank fuel pump | Kousaku Ohkouchi, Shigeru Yoshida, Shigeru Arakawa | 1997-03-04 |
| 5601923 | Mono-dispersed irregular-shaped fine polymer particles | Mikio Koyama, Yoshiaki Koizumi, Jiro Takahashi | 1997-02-11 |