RT

Ryuichi Takahashi

Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
CC Ciba Specialty Chemicals: 4 patents #283 of 1,233Top 25%
Basf Se: 3 patents #4,656 of 13,826Top 35%
KE Kokusai Electric: 2 patents #237 of 583Top 45%
IR Ig-Technical Research: 1 patents #6 of 14Top 45%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #296,399 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
9865823 Quinolinium dyes with fluorinated counter anion for dye sensitized solar cells Robert Send, Ingmar Bruder, Peter Erk, Ruediger Sens, Hiroshi Yamamoto +2 more 2018-01-09
8723017 Dye sensitised solar cell Kazuhiko Kunimoto, Hiroshi Yamamoto, Shinji Nakamichi, Junichi Tanabe 2014-05-13
8709299 Dye sensitised solar cell Junichi Tanabe, Hiroshi Yamamoto, Shinji Nakamichi 2014-04-29
6706330 Process for coating a surface Adrian Schulthess, Kimiya Takeshita, Fritz Herren, Patrice Bujard 2004-03-16
6436538 Nitrogen doped carbon-coated effect pigments and their manufacture Adrian Schulthess, Kimiya Takeshita, Fritz Herren, Patrice Bujard 2002-08-20
5855660 Colored effect pigments and their use Patrice Bujard, Natacha Bonnard 1999-01-05
5718998 Electrophotographic photoreceptor the photosensitive layer of which contains the charge generating material a fine organic pigment prepared from a soluble pigment precursor Kazuyo Yamamoto, Abul Iqbal, Zhimin Hao 1998-02-17
5665485 Splashproof construction for portable type electronic device Tatsuo Kuwayama, Isamu Sekine, Tatsuya OKAWA, Takeshi Sato 1997-09-09
5293634 System for retrieving token having a selected nest level and satisfying predetermined retrieval condition Kousuke Takahashi, Tetsuya Yamazaki 1994-03-08
5039589 Light-sensitive material containing silver halide, reducing agent, polymerizable compound and base precursor dispersed in the polymerizable compound 1991-08-13
5035975 Light-sensitive material containing silver halide reducing agent and polymerizable compound Taku Nakamura 1991-07-30
4963461 Light-sensitive micropcapsule and light-sensitive material employing the same Yoshiharu Yabuki 1990-10-16
D310366 Portable radio telephone Kazuo Akaike, Masahiko Kobayashi, Osamu Utsunomiya, Tetsufumi Takayasu 1990-09-04
4927731 Light-sensitive material containing silver halide, reducing agent, polymerizable compound, and polar compound 1990-05-22
4889786 Light-sensitive material containing silver halide, reducing agent polymerizable compound and color forming system and comprising microcapsules having different mean grain sizes 1989-12-26
4764102 Continuous elongate ceramic article manufacturing system 1988-08-16