Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7982984 | Magnetic transfer master carrier, magnetic transfer method, and magnetic recording medium | Yoichi Nishida, Hideyuki Kubota, Masakazu Nishikawa, Makoto Nagao, Ryuji Sugita | 2011-07-19 |
| 7974028 | Magnetic transfer master carrier and magnetic transfer method | Yoichi Nishida, Hideyuki Kubota, Makoto Nagao, Ryuji Sugita | 2011-07-05 |
| 7522362 | Amplitude servo pattern, magnetic recording medium and the manufacturing method, patterned magnetic transfer master substrate used in the manufacturing method, and magnetic recording/reproducing apparatus | Ryuji Sugita, Tadashi Yasunaga, Makoto Nagao | 2009-04-21 |
| 7374803 | Band-like matter fastening seal, roll photo film, apparatus and methods for manufacturing a band-like matter unit | Masaharu Tabuchi, Yukio Seto, Hironori Sasaki, Akihiro Sanda, Nobuo Sugiyama +3 more | 2008-05-20 |
| 4797348 | Method of forming a positive resist pattern in photoresist of o-naphthoquinone diazide and bisazide with UV imaging exposure and far UV overall exposure | Yoichi Nakamura, Shirushi Yamamoto, Akira Yokota, Hisashi Nakane | 1989-01-10 |
| 4738915 | Positive-working O-quinone diazide photoresist composition with 2,3,4-trihydroxybenzophenone | Shingo Asaumi, Akira Yokota, Hisashi Nakane | 1988-04-19 |
| 4483081 | Head supporting device for universal parallel ruler | — | 1984-11-20 |