Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486760 | Electromagnetic relay | Katsuji Miyazaki, Tsutomu Shimomura, Masaru Tsuji, Masakatsu Makino | 2002-11-26 |
| 6426689 | Electromagnetic relay | Masafumi Nakagawa, Fumihiro Kamitani, Osamu Matsui, Kazuhiro Nobutoki, Masanori Motoyama | 2002-07-30 |
| 4949058 | Electromagnetic relay | Kazuhiko Inoue | 1990-08-14 |
| 4707675 | Electromagnetic relay | Masanori Motoyama, Masashi Nakagawa | 1987-11-17 |
| 4570138 | Balanced armature type relay | Masanori Motoyama | 1986-02-11 |
| 4453195 | Relay plug socket | Hans Sauer, Johannes Oberndorfer | 1984-06-05 |