YA

Yutaka Arai

Canon: 29 patents #1,943 of 19,416Top 15%
NS Nippon Steel: 11 patents #170 of 4,423Top 4%
NC Nippon Petrochemicals, Co.: 8 patents #20 of 359Top 6%
NF Nippon Graphite Fiber: 7 patents #1 of 23Top 5%
NS Nec Display Solutions: 7 patents #30 of 237Top 15%
NC Nippon Steel Chemical Co.: 6 patents #7 of 380Top 2%
NO Nippon Mitsubishi Oil: 5 patents #8 of 158Top 6%
NS Nec—Mitsubishi Electric Visual Systems: 4 patents #3 of 44Top 7%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HS Hitachi Home And Life Solutions: 2 patents #2 of 36Top 6%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
HE Hitachi-Ge Nuclear Energy: 1 patents #139 of 313Top 45%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
LC Laurel Bank Machines Co.: 1 patents #90 of 139Top 65%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
MI Mikuni: 1 patents #91 of 198Top 50%
NC Nippon Steel Chemical: 1 patents #96 of 184Top 55%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
GC Gun Ei Chemical Industry Co.: 1 patents #14 of 42Top 35%
Overall (All Time): #31,133 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 51–68 of 68 patents

Patent #TitleCo-InventorsDate
6171696 Method for producing carbon fiber, carbon fiber, prepreg, and molded article from fiber-reinforced composite material Shinichi Takemura, Yoshio Soda, Hideyuki Ohno, Tomohiro Nakanishi 2001-01-09
5968435 Process for manufacturing pitch-type carbon fiber Osamu Kato, Yoshio Kishimoto, Hajime Nakajima, Masatoshi Furuyama, Tsutomu Kihara +5 more 1999-10-19
5745083 Slotted leaky waveguide array antenna and a method of manufacturing the same Masahiro Uematsu, Nobuharu Takahashi, Takashi Ojima, Hiroaki Kawaguchi, Yoshikazu Takahashi +1 more 1998-04-28
5595720 Method for producing carbon fiber Kunio Miura, Toshihisa Nishikawa, Mitsuaki Matsumoto 1997-01-21
5425931 Small diameter pitch-based carbon fiber bundle and production method thereof Ken Kobayashi, Kunio Miura, Hiroyuki Tadokoro, Yasuo Nagata, Kazuhiko Mizuuchi 1995-06-20
5370856 High strength carbon fiber and pre-carbonized fiber Masatoshi Furuyama, Hirofumi Sunago, Tadao Tomioka 1994-12-06
5037589 Method of producing mesophase pitch type carbon fibers and nozzle for spinning same Teruo Iwashita, Hirofumi Sunago, Tadao Tomioka 1991-08-06
4999450 Process for preparing alpha-(3-benzylphenyl) propionic acid derivative Isoo Shimizu, Yasuo Matsumura 1991-03-12
4982007 Process for selectively hydroformulating diolefin Isoo Shimizu, Yasuo Matsumura 1991-01-01
4937375 (Phenylethenyl)phenylpropionic acid and its ester, and method for producing (benzoylphenyl)propionic acid or its ester Isoo Shimizu, Yasuo Matsumura 1990-06-26
4922052 (Vinylphenyl)phenylmethane and method for producing (benzoylphenyl) propionic acid Isoo Shimizu, Yasuo Matsumura 1990-05-01
4914242 Process for preparing 3-ethylbenzophenone Isoo Shimizu, Yasuo Matsumura 1990-04-03
4908473 Process for selectively hydroesterifying diolefin Isoo Shimizu, Yasuo Matsumura 1990-03-13
4889952 (Phenylethenyl) phenylpropionaldehyde and method for producing (benzolyphenyl) propionic acid using the same Isoo Shimizu, Yasuo Matsumura 1989-12-26
4822934 1-(3-Vinylphenyl)-1-phenylhydrocarbons and method for producing the same Isoo Shimizu, Yasuo Matsumura 1989-04-18
4728090 Banknote distributing and dispensing machine Yoshihiko Oota 1988-03-01
4657951 Fibrous material-based friction member Mitsuhiro Takarada, Hiroshi Ishii, Takashi Hamano 1987-04-14
4189637 Device for detecting angular acceleration of wheels Hiroshi Takamatsu, Makoto Sato, Yoshitaka Miyakawa, Etsuo Fujii 1980-02-19