Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475551 | Magnetic head | Seiji Kumagai, Norikatsu Fujisawa, Masatoshi Hayakawa, Masahiro Kikkawa, Miho Suzuki | 1995-12-12 |
| 4640001 | Solar cell manufacturing method | Sakae Koiwai, Keizo Asaoka, Katsuhiko Shirasawa, Hiroyuki Watanabe | 1987-02-03 |
| 4224081 | Solar cell sealed by glass laminations | Koichi Kawamura, Junichirou Hisatomi, Junichiro Shigemasa | 1980-09-23 |