Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7721672 | Electrically illuminating indicator needle and light guiding member | Koji Nakano, Ryosuke Wakaki | 2010-05-25 |
| 7662429 | Laminate comprising polyimide and conductor layer, multi-layer wiring board with the use of the same and process for producing the same | Shoji Hara, Takashi Itoh, Masaru Nishinaka | 2010-02-16 |
| 7063450 | Surface light emitting device | Munetsugu Ehara, Eiji Nakanishi, Koichi Kunikata | 2006-06-20 |
| 7019104 | Diamine novel acid dianhydride and novel polyimide composition formed therefrom | Koji Okada, Shoji Hara | 2006-03-28 |
| 6916393 | Multi-layered endless belt, medium conveying belt made of the same, production method thereof, and forming apparatus thereof | Tomohiro Ohzuru, Yoshio Sakata, Koji Sezaki | 2005-07-12 |
| 6790930 | Process for producing polyimide resin | Takeshi Kikuchi, Hiroyuki Tsuji, Koji Okada, Hiroyuki Furutani, Koichiro Tanaka +1 more | 2004-09-14 |
| 6689899 | Diamine and acid anhydride | Kohji Okada | 2004-02-10 |
| 6642393 | Acid anhydrides | Koji Okada, Shoji Hara | 2003-11-04 |
| 6605353 | Epoxy-modified polyimide, photosensitive composition, coverlay film, solder resist, and printed wiring board using the epoxy-modified polyimide | Koji Okada, Shoji Hara | 2003-08-12 |
| 6601962 | Surface light emitting device | Munetsugu Ehara, Eiji Nakanishi, Koichi Kunikata | 2003-08-05 |
| 6350845 | Polyimide compositions and novel acid dianhydrides to be used therein | Koji Okada, Shoji Hara | 2002-02-26 |
| 6335416 | Polyimide film and process for producing the same | Koichiro Tanaka | 2002-01-01 |
| 6307002 | Polyimide composition and process for producing the same | Kohji Okada | 2001-10-23 |
| 6303742 | Polyimide compositions | Kohji Okada | 2001-10-16 |
| 5932345 | Thermally fusible adhesive copolymer, articles made therefrom, and method for producing the same | Hiroyuki Furutani, Naoki Hase, Junya Ida, Yoshifumi Okamoto, Shinji Inoue +1 more | 1999-08-03 |
| 5726281 | Epoxy-terminated polyamide, adhesive made therefrom and methods for producing them | Katsunori Yabuta | 1998-03-10 |
| 5668247 | Thermoplastic polyimide, polyamide acid, and thermally fusible laminated film for covering conductive wires | Hiroyuki Furutani, Kazuhisa Danno, Yoshifumi Okamoto, Junya Ida, Yoshihide Oonari +1 more | 1997-09-16 |
| 5371175 | Epoxy-terminated polyamide, adhesive made therefrom and methods for producing them | Katsunori Yabuta | 1994-12-06 |
| 5167985 | Process for producing flexible printed circuit board | Hiroshi Ito, Hirosaku Nagano, Hiroyuki Furutani | 1992-12-01 |
| 4808468 | Polyimide film and its manufacturing method | Katuhiro Kitai, Yoshihide Ohnari, Masaro Kidoh, Tsuneo Yamamoto | 1989-02-28 |
| 4742099 | Polyimide film and process for producing same | Hirosaku Nagano, Junji Takase, Hideki Kawai, Tsuneo Yamamoto | 1988-05-03 |