Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8450440 | Method for purifying polymer and polymer | Tadahiro Sunaga, Hiroki Mizutani | 2013-05-28 |
| 8216766 | Polymer, polymer preparation method, resist composition and patterning process | Takeru Watanabe, Takeshi Kinsho, Tomohiro Kobayashi, Tadahiro Sunaga, Hirofumi Io | 2012-07-10 |
| 8211984 | Ring-opening metathesis polymer, hydrogenated product thereof, method for preparing the same, and use thereof | Tadahiro Sunaga, Takashi Ochiai, Keiichi Ikeda | 2012-07-03 |
| 8143429 | Process for producing organic transition metal complex compound, metathesis catalyst produced by using the same, ring-opening metathesis polymer obtainable with the metathesis catalyst, and process for producing the polymer | Takashi Ochiai, Tadahiro Sunaga | 2012-03-27 |
| 7954984 | Interior lamp | Han O | 2011-06-07 |
| 7807331 | Hydrogenated ring-opening metathesis polymer, resist composition and patterning process | Tomohiro Kobayashi, Takeshi Kinsho, Takeru Watanabe, Tadahiro Sunaga | 2010-10-05 |
| 7794915 | Hydrogenated ring-opening metathesis polymer, resist composition comprising the same and patterning method | Tadahiro Sunaga, Takeshi Kinsho, Tomohiro Kobayashi | 2010-09-14 |
| 7345135 | Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resin | Junichi Ishikawa, Takashi Kuroki, Satoko Fujiyama, Takehiko Omi, Tomoyuki Nakata +3 more | 2008-03-18 |
| 7081501 | Hydrogenated ring-opening metathesis polymer and process for producing the same | Tadahiro Sunaga | 2006-07-25 |
| 6531568 | Polyimide containing crosslinkable group and process for producing the same | Atsushi Shibuya, Tomomi Okumura, Hideaki Oikawa, Yoshihiro Sakata, Takashi Kuroki +1 more | 2003-03-11 |
| 6458912 | Crystalline polyimide for melt molding with satisfactory thermal stability | Takashi Kuroki, Yoshihiro Sakata, Tomomi Okumura, Atsushi Shibuya, Hideaki Oikawa +5 more | 2002-10-01 |
| 5821319 | Liquid crystal polyamide-imide copolymer | Atsushi Shibuya, Shoji Tamai, Masahiro Ohta, Akihiro Yamaguchi | 1998-10-13 |
| 5508377 | Polyimide | Wataru Yamashita, Shoji Tamai, Akihiro Yamaguchi | 1996-04-16 |
| 5506291 | Polyimide resin composition having excellent fatigue resistance and injection molded article of same | Yoshihiro Sakata, Wataru Yamashita, Katsuaki Iiyama, Shoji Tamai, Akihiro Yamaguchi | 1996-04-09 |
| 5494996 | Polyimide resin composition | Shoji Tamai, Wataru Yamashita, Yoshihiro Sakata, Hideaki Oikawa, Keizaburo Yamaguchi +3 more | 1996-02-27 |
| 5484880 | Polyimide | Wataru Yamashita, Shoji Tamai, Mitsunori Matsuo, Tsutomu Ishida, Keizaburo Yamaguchi +1 more | 1996-01-16 |
| 5480965 | Readily soluble, amorphous polyimide, and preparation process of same | Wataru Yamashita, Hideaki Oikawa, Tadashi Asanuma, Yuko Ishihara, Mitsunori Matsuo +3 more | 1996-01-02 |
| 5470943 | Polyimide | Yoshihiro Sakata, Wataru Yamashita, Shoji Tamai, Tsutomu Ishida, Mitsunori Matsuo +2 more | 1995-11-28 |
| 5354839 | Polyimide and preparation process of same | Wataru Yamashita, Yoshihiro Sakata, Toshiyuki Kataoka, Hideaki Oikawa, Tadashi Asanuma +4 more | 1994-10-11 |
| 5354890 | Aromatic diamine intermediates useful in the preparation of polyimides | Shoji Tamai, Wataru Yamashita, Yuko Ishihara, Keizaburo Yamaguchi, Akihiro Yamaguchi | 1994-10-11 |
| 5321096 | Polyimide composition | Nobuhito Koga, Hideaki Oikawa, Tadashi Asanuma, Akihiro Yamaguchi | 1994-06-14 |
| 5276133 | Favorably processable polyimide and process for preparing polyimide | Shoji Tamai, Akihiro Yamaguchi | 1994-01-04 |
| 5260388 | Polyimide and process for the preparation thereof | Shoji Tamai, Wataru Yamashita, Yuko Ishihara, Keizaburo Yamaguchi, Akihiro Yamaguchi | 1993-11-09 |