MT

Masaaki Takahashi

Canon: 45 patents #884 of 19,416Top 5%
FI Fujifilm Business Innovation: 32 patents #168 of 1,659Top 15%
KK Kureha Kagaku Kogyo: 12 patents #44 of 607Top 8%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
SI Seiko Instruments: 5 patents #328 of 1,437Top 25%
SC Sankyo Holdings Co.: 5 patents #136 of 700Top 20%
HC Hitachi Software Engineering Co.: 4 patents #40 of 502Top 8%
NE Nec: 3 patents #4,195 of 14,502Top 30%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
GC General Packer Co.: 3 patents #2 of 12Top 20%
TC Taiko Kikai Industries Co.: 2 patents #3 of 8Top 40%
KE Keihin: 2 patents #128 of 596Top 25%
NC Nara Machinery Co.: 2 patents #8 of 46Top 20%
MK Meiji Seika Kaisha: 2 patents #234 of 752Top 35%
KC Kokusai Denshin Denwa Co.: 1 patents #219 of 382Top 60%
SC Shimizu Construction Co.: 1 patents #112 of 352Top 35%
TC Takenaka Komuten Co.: 1 patents #36 of 128Top 30%
TC Tsubakimoto Chain: 1 patents #320 of 593Top 55%
TC Tyco Electronics Co.: 1 patents #700 of 1,364Top 55%
YC Yoshino Gypsum Co.: 1 patents #49 of 106Top 50%
DP Daio Paper: 1 patents #126 of 258Top 50%
BH Bayer Healthcare: 1 patents #4,623 of 8,007Top 60%
AC Alps Alpine Co.: 1 patents #246 of 525Top 50%
PK Pilot Man-Nen-Hitsu Kabushiki Kaisha: 1 patents #23 of 63Top 40%
SA Sanden: 1 patents #336 of 631Top 55%
📍 Yokohama, JP: #56 of 480 inventorsTop 15%
Overall (All Time): #7,625 of 4,157,543Top 1%
136
Patents All Time

Issued Patents All Time

Showing 126–136 of 136 patents

Patent #TitleCo-InventorsDate
4476328 Process for producing 3,3,3-trifluoropropyl substituted phenol Yoshiro Kobayashi, Itsumaro Kumadaki, Takashi Yamauchi 1984-10-09
4451674 Substituted benzene derivatives having at least one benzene ring substituted by 3,3,3-trifluoropropyl group and process for their production Yoshiro Kobayashi, Itsumaro Kumadaki, Takashi Yamauchi 1984-05-29
4423259 Process for producing phenyl-[3,3,3-trifluoropropyl)phenyl]methane Yoshiro Kobayashi, Itsumaro Kumadaki, Takashi Yamauchi 1983-12-27
4405824 Process for producing aryl- or aralkylbenzene having two benzene rings at least one of which is substituted by at least one 3,3,3-trifluoropropyl group Yoshiro Kobayashi, Itsumaro Kumadaki, Takashi Yamauchi 1983-09-20
4396785 3,3,3-Trifluoropropyl derivatives of naphthalene or methylnaphthalene and process for preparing the same Yoshiro Kobayashi, Itsumaro Kumadaki, Takashi Yamauchi 1983-08-02
4372805 Method for regenerating an etch solution for aluminum and the alloys thereof Hideki Hamamura 1983-02-08
4356335 Aryl- or aralkylbenzene having two benzene rings at least one of which is substituted by at least one 3,3,3-trifluoropropyl group Yoshiro Kobayashi, Itsumaro Kumadaki, Takashi Yamauchi 1982-10-26
4324929 Process for producing mono, bis or tris(3,3,3-trifluoropropyl)benzene Yoshiro Kobayashi, Itsumaro Kumadaki, Takashi Yamauchi 1982-04-13
4279616 Method for measuring blood coagulation and device therefor Yukio Saito, Koichi Sekiya, Seigo Akiyama 1981-07-21
4275253 Radiation resistant oil and method of lubricating for atomic power facilities Akira Ito 1981-06-23
4217107 Method of measuring blood clotting time Yukio Saito, Koichi Sekiya 1980-08-12