Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11970791 | Carbon fiber bundle and method of producing carbon fiber bundle | Takayuki Kiriyama, Naoki Sugiura | 2024-04-30 |
| 10837127 | Carbon fiber bundle and method of producing carbon fiber bundle | Takayuki Kiriyama, Naoki Sugiura | 2020-11-17 |
| 10087558 | Carbon fiber manufacturing method | Akito Hatayama, Naoki Sugiura | 2018-10-02 |
| 9873777 | Carbon fiber bundle and method of producing carbon fibers | Takayuki Kiriyama, Naoki Sugiura | 2018-01-23 |
| 9862824 | Carbon fiber sizing agent, aqueous dispersion thereof, carbon fiber bundle applied with sizing agent, sheet-like article comprising carbon fiber bundle, and carbon fiber reinforced composite material | Kouki Wakabayashi, Naoki Sugiura, Shigekazu Takeda, Keigo Yoshida, Shuuichi Nakamura | 2018-01-09 |
| 9796590 | Carbon fiber manufacturing method and carbon fiber | Takayuki Kiriyama, Hiroyuki Nakao, Nobuyuki Yamamoto, Masashi Shimahara, Kenichi Watanabe +2 more | 2017-10-24 |
| 7852561 | Optical compensation layer-attached polarizing plate, liquid crystal panel, liquid crystal display, image display, and method for producing optical compensation layer-attached polarizing plate | Tsuyoshi Chiba, Ikuo Kawamoto, Satoru Kawahara, Nobuyuki Kozonoi, Shunsuke Shuto | 2010-12-14 |
| 7588807 | Retardation film and method of producing the same, and optical film, liquid crystal panel, and liquid crystal display apparatus all using the retardation film | Masaki Hayashi, Naoki Koishi, Shuuji Yano | 2009-09-15 |
| 7130007 | Optical film, polarizing optical film, and image viewing display | Ryouji Kinoshita, Shuuji Yano, Masayuki Kawai | 2006-10-31 |
| 7079204 | Laminated optical film, elliptically polarizing plate, and image viewing display | — | 2006-07-18 |
| 6891589 | Optical film, elliptically polarizing plate and image display | Hiroyuki Okada, Kiichi Shimodaira | 2005-05-10 |
| 5351076 | Terminal system having video telephone equipment cooperating with computer system | Teruo Tobe, Hiroshi Oki | 1994-09-27 |