Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506267 | Personal ornament and silver alloy for personal ornament | Shinichiro Ishigaki, Hiroyasu Nishizawa | 2003-01-14 |
| 5635307 | Thin-film electroluminescent element | Youji Takeuchi, Tsunemi Ohiwa | 1997-06-03 |
| 4854264 | Vacuum evaporating apparatus | Hiroshi Noma | 1989-08-08 |
| 4662981 | Method and apparatus for forming crystalline films of compounds | Yoshiki Kurosawa, Masaru Kaneko | 1987-05-05 |