Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11794257 | Cutting insert and cutting tool | Hideyoshi Kinoshita, Ryoma NOMIYAMA | 2023-10-24 |
| 6881453 | Optical film | Nobuaki Kido, Shunichi Matsumura, Takashi Kushida, Akihiko Uchiyama, Michio Yamaura +2 more | 2005-04-19 |
| 6476153 | Process for producing hydrogenated &agr;-olefin-dicyclopentadiene copolymer, method for molding the same and optical material | Kiyonari Hashidzume | 2002-11-05 |
| 6388032 | Cyclic olefin polymer containing little catalyst residue | Michio Yamaura, Kiyonari Hashidzume, Hideaki Nitta, Masaki Takeuchi | 2002-05-14 |
| 6232407 | Process for producing hydrogenated .alpha.-olefin-dicyclopentadiene copolymer, method for molding the same and optical material | Kiyonari Hashidzume, Hideaki Nitta, Masaki Takeuchi, Michio Yamaura | 2001-05-15 |
| 6191243 | .alpha.-olefin-cycloolefin copolymers and process for their production | Hideaki Nitta, Kiyonari Hashidzume, Masaki Takeuchi | 2001-02-20 |
| 5958305 | Film of aromatic polyethersulfone, process for the production thereof, and solution composition for the production thereof | Takashi Shiro, Hideaki Nitta, Takeshi Sasaki, Utami Yonemura | 1999-09-28 |
| 5759449 | Film of aromatic polyethersulfone, process for the production thereof, and solution composition for the production thereof | Takashi Shiro, Hideaki Nitta, Takeshi Sasaki, Utami Yonemura | 1998-06-02 |
| 5695694 | Method of producing an acylated cellulose film | Masanori Abe, Utami Yonemura, Takeshi Sasaki | 1997-12-09 |
| 5645766 | Film of aromatic polyethersulfone process for the production thereof and solution composition for the production thereof | Takashi Shiro, Hideaki Nitta, Takeshi Sasaki, Utami Yonemura | 1997-07-08 |
| 5561180 | Polycarbonate film for optical purposes and a production process thereof | Yutaka Taketani, Hideaki Nitta, Utami Yonemura, Takeshi Sasaki | 1996-10-01 |
| 5478518 | Polycarbonate film for optical purposes and a production process thereof | Yutaka Taketani, Hideaki Nitta, Utami Yonemura, Takeshi Sasaki | 1995-12-26 |
| 5268478 | Sulfur compound-coordinate bonded organic coloring matter, compositions of same, and photorecording media containing same | Takeyuki Kawaguchi, Takashi Shiro, Katsushi Sasaki | 1993-12-07 |
| 5196147 | Organic nonlinear optical substance | Yutaka Taketani, Hiroshi Matsuzawa | 1993-03-23 |
| 5009986 | Naphthalocyanine based compound and optical recording medium containing the same | Takayuki Kawaguchi, Takashi Shiro, Takahiro Daido | 1991-04-23 |
| 4495343 | Visible light-sensitive polyester polymer and visible light-sensitive resin composition containing said polymer | Tsuneo Hagiwara, Hiroshi Matsuzawa | 1985-01-22 |
| 4414254 | Selective light-transmitting laminated structure | Toshio Nishihara, Michisuke Ohe, Yoichi Saito, Akihiro Horike | 1983-11-08 |
| 4266053 | Melamine group-containing (meth)acrylate | Yoshihiko Imanaka, Hiroshi Nakamatsu, Akihiro Horike, Yoichi Saito | 1981-05-05 |