Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8293150 | Near-infrared absorbing material | Keizo Kimura, Osamu Uchida | 2012-10-23 |
| 8021573 | Near-infrared-absorbing material and near-infrared-absorbing filter | Keizo Kimura, Osamu Uchida | 2011-09-20 |
| 7875215 | Near-infrared-absorbing material and near-infrared-absorbing filter | Keizo Kimura, Osama Uchida | 2011-01-25 |
| 7838669 | Naphthalocyanine dye and method for producing the same | Keizou Kimura | 2010-11-23 |
| 7838670 | Naphthalocyanine compound and method for producing the same | Keizo Kimura | 2010-11-23 |
| 7812171 | Black pigment, black pigment dispersion and black resin composition comprising the same | Keizo Kimura, Osamu Uchida | 2010-10-12 |
| 7655814 | Process for producing croconic acid or salt thereof | Keizou Kimura | 2010-02-02 |
| 7541459 | Method of producing amide compound | Keizo Kimura | 2009-06-02 |
| 7473802 | Method of producing near-infrared absorbing dye compound | Keizo Kimura, Tomohito Masaki, Osamu Uchida | 2009-01-06 |
| 7339071 | Aryl ethynyl phthalic acid derivative and method for producing the same | Daisuke Urazoe, Hideto Mori | 2008-03-04 |
| 7244859 | Method for producing δ-aminopentadienoate derivatives | Akihiko Ikegawa, Masuji Motoki | 2007-07-17 |
| 7217839 | Method of producing near-infrared absorbing dye compound | Keizo Kimura, Tomohito Masaki | 2007-05-15 |
| 6866795 | Ultraviolet-absorbing film containing a fluorescent brightening agent | Takashi Usami, Teruo Nagano, Tadahisa Sato | 2005-03-15 |
| 6762303 | Method for producing pyridine compounds | Ryo Suzuki | 2004-07-13 |
| 6682662 | Fluorescent lamp cover and lighting fixture | Takashi Usami, Teruo Nagano, Tadahisa Sato | 2004-01-27 |
| 6624299 | Process for producing cellulose acetate | Koushin Matsuoka, Tadahisa Sato | 2003-09-23 |
| 6600034 | Method of producing cellulose polymers | Tadahisa Sato, Hiroshi Onishi, Tadahiro Tsujimoto | 2003-07-29 |
| 6548660 | Producing method of cellulose polymer | Tadahisa Sato, Hiroshi Onishi, Tadahiro Tsujimoto | 2003-04-15 |
| 6383276 | Azomethine compound and oily magenta ink | Masuji Motoki, Naoki Asanuma, Ryo Suzuki, Tadahisa Sato, Hisashi Mikoshiba | 2002-05-07 |
| 5734063 | 4-acylaminophenylacetylenealcohol compounds | Tadahisa Sato | 1998-03-31 |
| 5693823 | Process for preparing 1,1-disubstituted-1H-benzoe!indole compound and hydroxyl-substituted compound thereof | Tadahisa Sato | 1997-12-02 |
| 5672714 | Method of manufacturing a 3-substituted-3-oxo-2-halopropionic acid amide compound and method of manufacturing a 3-substituted-3-oxo-2-(5,5-dimethylhydantoin-3-yl) propionic acid amide compound | Tadahisa Sato | 1997-09-30 |
| 5631122 | Silver halide color photographic material | Keiji Mihayashi | 1997-05-20 |
| 5521318 | Benzotriazolylacetyl compound | Tadahisa Sato, Koichi Hanaki | 1996-05-28 |
| 5508421 | Pyrrolotriazole azomethine dye, and heat transfer dye providing material containing a pyrrolotriazole azomethine dye | Makoto Suzuki, Hisashi Mikoshiba, Seiiti Kubodera, Osamu Takahashi, Yasuhiro Shimada +3 more | 1996-04-16 |