Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10551537 | Composition for optical film, and films and display device | Eun Sung Lee, Sang Ho Park, Tsuyoshi Ohyama, Seungbum Chun | 2020-02-04 |
| 10175404 | Compensation film and display device including the same | Tsuyoshi Ohyama, Kitae Park, Hyunseok CHOI | 2019-01-08 |
| 10082700 | Antireflection film and organic light emitting diode device including the same | Tsuyoshi Ohyama, Eun Sung Lee | 2018-09-25 |
| 9766384 | Antireflection film and organic light emitting device provided with the same | Tsuyoshi Ohyama, Eun Sung Lee, Hyunseok CHOI, Seunghyun Lee | 2017-09-19 |
| 9738559 | Heat ray-shielding material | Yuki Matsunami, Naoharu Kiyoto, Shinya Hakuta, Takeharu Tani, Masayuki Naya | 2017-08-22 |
| 9583543 | Antireflection film and organic light emitting device including the same | Tsuyoshi Ohyama, Eun Sung Lee | 2017-02-28 |
| 5736067 | Optical compensatory sheet and process for preparation of the same and liquid crystal display | Ken Kawata, Masaki Okazaki, Yoshinori Suzuki | 1998-04-07 |
| 5646703 | Liquid crystal display | Hiroko Kozono, Jun Watanabe, Kohei Arakawa | 1997-07-08 |
| 5635105 | Liquid crystal display and optical compensatory sheet and process for preparation of the same | Ken Kawata, Masayuki Negoro, Hideyuki Nishikawa, Masaki Okazaki, Hideki Maeta | 1997-06-03 |
| 5583679 | Liquid crystal display with optical compensatory sheet having discotic molecules varyingly inclined | Yoji Ito, Yosuke Nishiura, Hiroyuki Mori, Taku Nakamura | 1996-12-10 |
| 5340636 | Magnetic recording medium | — | 1994-08-23 |
| 4810435 | Method of making substrate for magnetic recording medium | Hiroshi Hashimoto, Tsutomu Okita | 1989-03-07 |
| 4663209 | Magnetic recording medium | Masashi Aonuma, Masaaki Suzuki, Satoshi Sakakibara, Noburo Hibino | 1987-05-05 |
| 4619856 | Magnetic recording medium | Hiroshi Hashimoto, Tsutomu Okita, Noburo Hibino | 1986-10-28 |