Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071993 | Organic electroluminescence element, image display device, and imaging apparatus | Hironobu Iwawaki, Hiroki Ohrui, Masumi Itabashi, Masanori Muratsubaki, Naoki Yamada +1 more | 2011-12-06 |
| 7691491 | Monoaminofluorene compound and organic light-emitting device using the same | Akihito Saitoh, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe, Naoki Yamada +1 more | 2010-04-06 |
| 7632577 | Organic light-emitting device | Akihito Saitoh, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe, Naoki Yamada +1 more | 2009-12-15 |
| 7387845 | Monoamino compound and organic luminescence device using the same | Akihito Saitoh, Akihiro Senoo, Hiroshi Tanabe, Naoki Yamada, Chika Negishi | 2008-06-17 |
| 7241513 | Fluorene compound and organic luminescent device using the same | Koichi Suzuki, Akihiro Senoo, Naoki Yamada, Chika Negishi, Akihito Saitoh +2 more | 2007-07-10 |
| 7229702 | Oligofluorenlylene compounds | Akihito Saitoh, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe, Naoki Yamada +2 more | 2007-06-12 |
| 6652997 | Organic luminescence device | Koichi Suzuki, Akihiro Senoo, Kazunori Ueno | 2003-11-25 |
| 6177176 | Information recording medium readable from a side edge | Hiroshi Tanabe, Kouichi Yoshida | 2001-01-23 |
| 6098889 | Hybrid information recording medium with masking layer | Yoshihiro Ogawa, Kazumi Nagano, Hiroshi Tanabe | 2000-08-08 |
| 5776575 | Information recording medium and process for production thereof | Hiroyuki Imataki | 1998-07-07 |
| 5744792 | Hybrid information recording medium | Hiroyuki Imataki | 1998-04-28 |
| 5578184 | Patterning process, process for producing optical recording medium, and process for producing color filter | Hiroyuki Imataki, Kazumi Nagano, Takaya Yano, Hiroshi Tanabe | 1996-11-26 |
| 5489082 | Reproducible molding die having a removable cleaning layer | Hiroyuki Imataki, Tomoyuki Tamura, Tetsuya Satoh | 1996-02-06 |
| 5447767 | Optical recording medium, production thereof, substrate for optical recording medium, and production thereof | Hiroshi Tanabe, Hiroyuki Imataki, Kazumi Nagano, Takaya Yano | 1995-09-05 |
| 5389313 | Method of producing a molding die for an information recording medium | Hiroyuki Imataki, Tetsuya Satoh, Tomoyuki Tamura | 1995-02-14 |
| 5344304 | Mold for molding of substrate for information recording medium | Tomoyuki Tamura, Hiroyuki Imataki, Tetsuya Sato | 1994-09-06 |
| 5328816 | Process for producing optical recording medium | Miki Tamura, Hiroyuki Sugata, Osamu Kanome, Yukitoshi Okubo, Masataka Yashima | 1994-07-12 |
| 5248584 | Optical card and method for reading information recorded in it | Kyo Miura, Hisaaki Kawade, Keiko Ikoma, Yoshihiro Oguchi, Masashi Miyagawa +2 more | 1993-09-28 |
| 5234633 | Cast molding die and process for producing information recording medium using the same | Hiroyuki Imataki, Tetsuya Satoh, Tomoyuki Tamura | 1993-08-10 |
| 5174937 | Method for molding of substrate for information recording medium and method for preparing substrate for information recording medium | Tomoyuki Tamura, Hiroyuki Imataki, Tetsuya Sato | 1992-12-29 |
| 5158859 | Optical recording medium | Hiroyuki Imatake, Yoshihiro Ogawa, Hitoshi Yoshino, Sachiko Ichikawa, Seijiro Kato | 1992-10-27 |
| 5085925 | Optical recording medium | Hiroyuki Imataki | 1992-02-04 |
| 5073101 | Information recording medium, production process and molding die for substrate therefor | Hiroyuki Imataki, Tomoyuki Tamura, Tetsuya Satoh | 1991-12-17 |
| 5026623 | Optical recording medium | Hiroyuki Imataki, Yoshihiro Ogawa, Hitoshi Yoshino, Sachiko Ichikawa, Seijiro Kato | 1991-06-25 |
| 4965153 | Optical recording medium | Hiroyuki Imataki, Sachiko Ichikawa, Hitoshi Yoshino, Yoshihiro Ogawa | 1990-10-23 |