Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9085664 | Polyvinyl alcohol film, and polarizing film and polarizing plate using the same | Akihiko Chigami, Seiichirou Hayakawa | 2015-07-21 |
| 7067575 | Water-soluble film of polyvinyl alcohol | Syuichi Kitamura, Tomoyoshi Mizutani, Mitsuhiro Hasegawa | 2006-06-27 |
| 7050385 | Optical recording medium | Noriaki Oshima, Takashi Taniguchi, Keiichiro Nishizawa | 2006-05-23 |
| 6880166 | Optical recording medium having in a static mode, a flexible region extending to 1/3 of the recording area | Noriaki Oshima, Keiichiro Nishizawa | 2005-04-12 |
| 6759001 | Method for producing embossed poly(vinyl alcohol) film | Tomoyoshi Mizutani, Syuichi Kitamura, Kenji Hasegawa, Manabu Miyato | 2004-07-06 |
| 6584067 | Optical recording medium having a recording/reproducing area with a shaped region | Noriaki Oshima, Keiichiro Nishizawa | 2003-06-24 |