Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8962220 | Reflective photomask and reflective photomask blank | — | 2015-02-24 |
| 8394558 | Reflection type photomask blank, manufacturing method thereof, reflection type photomask, and manufacturing method of semiconductor device | Koichiro Kanayama, Shinpei Tamura | 2013-03-12 |
| 7838177 | Reflection type photomask blank, reflection type photomask, and method of manufacturing semiconductor device using the same | Koichiro Kanayama, Yasushi Nishiyama | 2010-11-23 |
| 6552849 | Color polarizer with support for liquid crystal projector and color liquid crystal projector | Shigeki Furuhashi, Kazuyuki Kawabe | 2003-04-22 |
| 5935735 | Halftone phase shift mask, blank for the same, and methods of manufacturing these | Kinji Okubo, Takashi Haraguchi | 1999-08-10 |
| 4774141 | Polarizing film-integrated transparent electrically conductive film | Ichiro Matsui, Shoichi Kaneko | 1988-09-27 |
| 4584367 | Reactive disazo compound | Yutaka Iizuka, Koei Sato | 1986-04-22 |
| 4453945 | Process for dyeing cellulose fibers of its union fibers with reactive triazinyl dye quaternized with nicotinic acid | Masakatsu Miyamoto, Yoshiharu Suzuki, Masayoshi Ojima, Yutaka Iizuka, Ryuzo Orita | 1984-06-12 |