Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344953 | Electrolytic copper foil | Daisuke Nakajima, Yasuji Hara, Mitsuhiro Wada | 2025-07-01 |
| 12168838 | Electrolytic copper foil | Daisuke Nakajima, Yasuji Hara, Mitsuhiro Wada | 2024-12-17 |
| 9663868 | Electro-deposited copper-alloy foil and electro-deposited copper-alloy foil provided with carrier foil | Kazuhiro Yoshikawa, Takao Fujimoto | 2017-05-30 |
| 9338898 | Method of producing a printed wiring board | Joji Fujii, Hiroaki Tsuyoshi, Hiroto IIDA, Kazuhiro Yoshikawa | 2016-05-10 |
| 9307639 | Electro-deposited copper foil, surface-treated copper foil using the electro-deposited copper foil and copper clad laminate using the surface-treated copper foil, and a method for manufacturing the electro-deposited copper foil | Hisao Sakai, Masaru Takahashi, Makoto Dobashi | 2016-04-05 |
| 9077827 | Page-turning reader device and feeder device | Norichika Hirohashi, Naoki Komuro, Yutaka Sasaki | 2015-07-07 |
| 8722199 | Electrodeposited copper foil, its manufacturing method, surface-treated electrodeposited copper foil using the electrodeposited copper foil, and copper-clad laminate and printed wiring board using the surface-treated electrodeposited copper foil | Hisao Sakai, Sakiko Tomonaga, Makoto Dobashi | 2014-05-13 |
| 8715836 | Surface-treated electro-deposited copper foil and method for manufacturing the same | Makoto Dobashi, Sakiko Tomonaga, Hisao Sakai, Tomohiro Sakata, Junshi Yoshioka +2 more | 2014-05-06 |
| 8457506 | Image-forming device | Koji Abe, Takashi Shimizu, Haruyo Endo, Yoshiki Mori, Jun Hatta +1 more | 2013-06-04 |
| 8419920 | Method of preparing electrolytic copper solution acidified with sulfuric acid, sulfuric-acid-acidified electrolytic copper solution prepared by the preparation method, and electrodeposited copper film | Sakiko Tomonaga, Makoto Dobashi, Junshi Yoshioka, Ayumu Tateoka, Hisao Sakai | 2013-04-16 |
| 6969557 | Surface-treated copper foil low-dielectric substrate and copper-clad laminate and printed wiring board using the same | Takashi Kataoka | 2005-11-29 |
| 4821331 | Coaxial speaker unit | Fumio Murayama | 1989-04-11 |