Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8462484 | Method for manufacturing electrolytic capacitor with electrically conductive solid layer and electrolytic capacitor with electrically conductive solid layer | Kenji Kakuma, Masakazu Hosogi, Junichi Yamashita, Yutaka Taketani, Hiroyuki Okuda | 2013-06-11 |
| 7869190 | Solid electrolytic capacitor | Keiko Matsuoka, Kazuhiro Kato, Hiroyuki Okuda | 2011-01-11 |
| 5155645 | Magnetic head with improved efficiency in both high and low frequency ranges | Tsukasa Shimizu, Yoshiaki Shimizu, Jyoichi Tamada, Hiroyuki Okuda, Takao Yamano +2 more | 1992-10-13 |
| 4772967 | Magnetic recording apparatus in a helical scan system | Hiroyuki Okuda, Masaru Doi, Yoshiaki Shimizu, Takao Yamano, Kazuo Ino | 1988-09-20 |