Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9013056 | Backup power source device and automobile equipped with same | Youichi Kageyama, Hirohumi Oosawa, Masafumi Nakamura | 2015-04-21 |
| 5413838 | Both-side roughened copper foil with protection film | Kimikazu Katoh, Ryoichi Oguro | 1995-05-09 |
| 5320919 | Copper foil for inner layer circuit of multi-layered printed circuit board, method of producing the same and multi-layered printed circuit board having the same | Kimikazu Katoh, Ryoichi Oguro, Takashi Inada | 1994-06-14 |
| 5286330 | Method of producing copper-clad laminated board | Kimikazu Katoh, Ryoichi Oguro | 1994-02-15 |
| 4299947 | Process for producing quick-curing phenolic resin | Motoyuki Nanjo, Tsutomu Watanabe, Shigeru Koshibe | 1981-11-10 |