TF

Takashi Fujii

Sumitomo Electric Industries: 42 patents #244 of 21,551Top 2%
MC Mitsubishi Chemical: 26 patents #14 of 3,022Top 1%
HI Hitachi: 23 patents #1,433 of 28,497Top 6%
MC Murata Manufacturing Co.: 19 patents #344 of 5,295Top 7%
Kubota: 17 patents #73 of 2,059Top 4%
Ricoh Company: 16 patents #1,360 of 9,818Top 15%
OM Omron: 9 patents #296 of 3,089Top 10%
NE Nec: 9 patents #1,539 of 14,502Top 15%
PA Panasonic: 8 patents #3,315 of 21,108Top 20%
Aisin Seiki Kabushiki Kaisha: 8 patents #423 of 3,782Top 15%
TO Toyota: 7 patents #4,145 of 26,838Top 20%
HH Hitachi High-Technologies: 7 patents #394 of 1,917Top 25%
Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
MC Mitsubishi Gas Chemical Company: 6 patents #328 of 1,727Top 20%
NG Nisshin Seifun Group: 6 patents #5 of 96Top 6%
NE Nisshin Engineering: 6 patents #3 of 48Top 7%
Canon: 5 patents #9,253 of 19,416Top 50%
DU Diesel United: 5 patents #1 of 3Top 35%
MS Mitsubishi Hitachi Power Systems: 5 patents #109 of 970Top 15%
KL Konica Minolta Advanced Layers: 4 patents #2 of 72Top 3%
OI Olympus Imaging: 3 patents #113 of 341Top 35%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
OC Osaka Gas Co.: 3 patents #83 of 689Top 15%
IH Ihi: 3 patents #292 of 1,178Top 25%
FC Funai Electric Co.: 2 patents #454 of 943Top 50%
MS Mu Ionic Solutions: 2 patents #15 of 32Top 50%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
MC Mgc Filsheet Co.: 2 patents #26 of 79Top 35%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
TK Toda Kogyo: 2 patents #141 of 328Top 45%
OC Olympus Optical Co.: 2 patents #1,178 of 2,334Top 55%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
SC Stella Chemifa: 2 patents #35 of 80Top 45%
FC Fujisawa Pharmaceutical Co.: 2 patents #307 of 782Top 40%
NI Nisshinbo Industries: 2 patents #93 of 375Top 25%
FA Fanuc: 2 patents #952 of 1,735Top 55%
OL Olympus: 2 patents #1,626 of 3,097Top 55%
MM Mitsubishi Motors: 2 patents #508 of 1,823Top 30%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
IC Ishikawajima-Harima Heavy Industries Co.: 1 patents #251 of 611Top 45%
KH Kabushiki Kaisha Ishii Hyoki: 1 patents #5 of 19Top 30%
KK Kayaba Kogyo: 1 patents #38 of 155Top 25%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
MP Mitsubishi Power: 1 patents #176 of 508Top 35%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
NC Nihon Micro Coating Co.: 1 patents #29 of 68Top 45%
NK Nippon Kayaku: 1 patents #556 of 1,103Top 55%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
Nsk: 1 patents #937 of 1,559Top 65%
OJ Opnext Japan: 1 patents #100 of 185Top 55%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
SM Shibaura Mechatronics: 1 patents #96 of 175Top 55%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Tdk: 1 patents #2,493 of 3,796Top 70%
TO Tokuyama: 1 patents #280 of 562Top 50%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
TC Toray Engineering Co.: 1 patents #46 of 169Top 30%
WI Wintec: 1 patents #4 of 13Top 35%
YK Yamaha Motor Power Products Kabushiki Kaisha: 1 patents #17 of 50Top 35%
AK Aishin Seiki Kabushiki Kaisha: 1 patents #2 of 53Top 4%
📍 Tokyo, TX: #2 of 78 inventorsTop 3%
Overall (All Time): #1,558 of 4,157,543Top 1%
278
Patents All Time

Issued Patents All Time

Showing 251–275 of 278 patents

Patent #TitleCo-InventorsDate
5208450 IC card and a method for the manufacture of the same Mitsuaki Uenishi, Yoshihisa Takase 1993-05-04
5172073 Amplifying circuit 1992-12-15
5110408 Process for etching Hironobu Kawahara, Kazuo Takata, Masaharu Nishiumi, Noriaki Yamamoto 1992-05-05
5080026 Melting disposal method of sludge Takeshi Tsunemi, Muneharu Ichikawa 1992-01-14
5078065 Incinerating-fusing system for city refuse disposal Takeshi Tsunemi 1992-01-07
5059833 Phase detector suitable for use in phase lock loop 1991-10-22
5041186 Method for manufacturing compound semiconductor single crystals using a hydrogen monitor gas Johji Nishio 1991-08-20
4805929 Spring-constant variable type stabilizer device Nobuo Shibata, Toshio Suzuki, Junichi Arai, Hisami Kato 1989-02-21
4633735 Automobile differential gear system Masao Sakurai, Yousuke Hamada, Morimasa Ninomiya, Toshihide Takechi, Kunihiro Nakagawa 1987-01-06
4615761 Method of and apparatus for detecting an end point of plasma treatment Keiji Tada, Gen Marumoto, Kazuhiro Jyouo, Takahiro Fujisawa 1986-10-07
D284964 Television receiver Toru Higashihara, Akira Takahashi, Toru Kiyota 1986-08-05
D281880 Television receiver Taisuke Kashima, Toru Kiyota 1985-12-24
D281778 Television receiver Shigeki Gushiken, Hiroyuki Kogane, Masahide Aoki, Toru Kiyota 1985-12-17
4552413 Anti-skid brake control system for automobiles Masamoto Ando, Takumi Nishimura 1985-11-12
D281162 Television receiver Akira Takahashi, Fumitaka Itou, Toru Kiyota, Mitsuo Kawaguchi 1985-10-29
4533822 Heating resistor of single crystal manufacturing apparatus Jisaburo Ushizawa, Masayuki Watanabe 1985-08-06
D278627 Television monitor Taisuke Kashima, Shigeki Gushiken, Yukio Kuroiwa, Tohru Kiyota 1985-04-30
D276611 Projection television receiver Akira Takahashi, Tooru Higashihara, Kazuyuki Tsuburaya 1984-12-04
4446699 Brake booster for vehicles 1984-05-08
4416188 Brake booster Masayoshi Katagiri, Osamu Ogura 1983-11-22
4399735 Brake booster Masayoshi Katagiri, Osamu Ogura 1983-08-23
D266248 Television receiver Masahide Aoki, Takeichi Obata 1982-09-21
4317508 Disc brake Masayoshi Katagiri 1982-03-02
4296604 Tandem master cylinder Jiro Kizaki 1981-10-27
4258134 Novel hyaluronidase BMP-8231 and production thereof Keizo Yoshida, Hiroyuki Kikuchi 1981-03-24