Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9056884 | Process for producing a charge control agent | Yoshihiko Abe, Hideyuki Otsuka, Jun Watanabe, Shunsuke Saitoh, Kanae Hiraishi | 2015-06-16 |
| 8808951 | Electrophotographic photosensitive body | Katsumi Abe, Takehiro Nakajima, Makoto Koike, Shinya Nagai | 2014-08-19 |
| 8673792 | p-Terphenyl compound mixture and electrophotographic photoreceptors made by using the same | Shinya Nagai, Makoto Koike, Katsumi Abe, Takehiro Nakajima | 2014-03-18 |
| 8486594 | P-terphenyl compound mixture and electrophotographic photoreceptors made by using the same | Shinya Nagai, Makoto Koike, Katsumi Abe, Takehiro Nakajima | 2013-07-16 |
| 8247144 | Photoreceptor for electrophotography | Makoto Koike, Katsumi Abe | 2012-08-21 |
| 8088540 | Photoreceptor for electrophotography | Katsumi Abe, Makoto Koike | 2012-01-03 |
| 8003286 | Photoreceptor for electrophotography | Katsumi Abe, Makoto Koike | 2011-08-23 |
| 7919219 | Electrophotographic photosensitive body | Katsumi Abe, Takehiro Nakajima, Makoto Koike, Shinya Nagai | 2011-04-05 |
| 7902402 | Tetramine compound and organic EL device | Shigeru Kusano, Makoto Koike, Mitsutoshi Anzai | 2011-03-08 |
| 7897816 | Tetramine compound and organic EL device | Shigeru Kusano, Makoto Koike, Mitsutoshi Anzai | 2011-03-01 |
| 7884245 | Process for producing hydrazone compound | Kiyokazu Takaso, Katsumi Abe | 2011-02-08 |
| 7807274 | Tetramine compound and organic EL device | Shigeru Kusano, Makoto Koike, Mitsutoshi Anzai | 2010-10-05 |
| 7799492 | P-terphenyl compound and photosensitive body for electrophotography using such compound | Katsumi Abe, Shinya Nagai, Mitsutoshi Anzai | 2010-09-21 |
| 7790342 | Electrophotographic photosensitive body | Katsumi Abe, Takehiro Nakajima, Makoto Koike, Shinya Nagai | 2010-09-07 |
| 7759030 | P-terphenyl compound and photosensitive body for electrophotography using such compound | Katsumi Abe, Shinya Nagai, Mitsutoshi Anzai | 2010-07-20 |
| 7402701 | Organic EL devices and production process thereof | Tetsuya Kato, Kazushige Kojima, Shigeru Kusano, Makoto Koike, Mitsutoshi Anzai | 2008-07-22 |
| 5840980 | Diamine compounds and electrophotographic photoreceptor | Mitsutoshi Anzai, Takanobu Watanabe, Chieko Inayoshi | 1998-11-24 |
| 5728500 | Electrophotographic photoreceptor with acenaphthene compound | Mitsutoshi Anzai, Takanobu Watanabe, Chieko Inayoshi | 1998-03-17 |
| 5721082 | Electrophotographic photoreceptor containing amine compound | Mitsutoshi Anzai, Takanobu Watanabe, Chieko Inayoshi | 1998-02-24 |
| 5707768 | Diamine compounds and electrophotographic photoreceptor | Mitsutoshi Anzai, Takanobu Watanabe, Chieko Inayoshi | 1998-01-13 |
| 5654481 | Amine compound | Mitsutoshi Anzai, Takanobu Watanabe, Chieko Inayoshi | 1997-08-05 |
| 5631404 | Diamine compounds for use in electrophotographic photoconductors | Mitsutoshi Anzai, Yasuo Murakami, Masaomi Sasaki, Tomoyuki Shimada, Tamotsu Aruga +1 more | 1997-05-20 |
| 5629421 | Hydrazone compounds | Yasuo Murakami, Takanobu Watanabe, Mitsutoshi Anzai | 1997-05-13 |
| 5512400 | Hydrazone compound and electrophotographic photoreceptor and organic electroluminescent element both containing the same | Yasuo Murakami, Takanobu Watanabe, Mitsutoshi Anzai | 1996-04-30 |
| 5489495 | Electrophotographic photoconductor and diamine compounds for use in the same | Mitsutoshi Anzai, Yasuo Murakami, Masaomi Sasaki, Tomoyuki Shimada, Tamotsu Aruga +1 more | 1996-02-06 |