HT

Hiroaki Takahashi

Brother Kogyo: 100 patents #25 of 2,767Top 1%
SO Sony: 37 patents #808 of 25,231Top 4%
Ricoh Company: 30 patents #620 of 9,818Top 7%
HI Hitachi: 18 patents #2,067 of 28,497Top 8%
SC Screen Holdings Co.: 16 patents #32 of 686Top 5%
Nichia: 10 patents #182 of 1,531Top 15%
TO Toyota: 10 patents #2,889 of 26,838Top 15%
PA Panasonic: 8 patents #3,315 of 21,108Top 20%
Yamaha: 8 patents #321 of 2,001Top 20%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
BI Brother Industries: 8 patents #58 of 325Top 20%
CA Cataler: 6 patents #62 of 277Top 25%
TK Terumo Kabushiki Kaisha: 6 patents #218 of 1,558Top 15%
YA Yazaki: 5 patents #867 of 3,427Top 30%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
DC Dainippon Screen Mfg. Co.: 4 patents #193 of 977Top 20%
AC Alps Electric Co.: 3 patents #607 of 2,177Top 30%
TT Tokyo Institute Of Technology: 3 patents #141 of 1,159Top 15%
TC Toyo Tire & Rubber Co.: 3 patents #110 of 499Top 25%
KC Konami Digital Entertainment Co.: 3 patents #103 of 611Top 20%
NT Nidec Tosok: 2 patents #43 of 118Top 40%
SS Sumitomo Wiring Systems: 2 patents #1,192 of 2,615Top 50%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
ND Nitto Denko: 2 patents #1,207 of 2,479Top 50%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
TO Tomoegawa: 2 patents #24 of 108Top 25%
TS Toshiba Electronic Devices & Storage: 2 patents #310 of 900Top 35%
TC Toyo Soda Manufacturing Co.: 2 patents #85 of 272Top 35%
TO Tosoh: 2 patents #354 of 1,042Top 35%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
OU Osaka University: 2 patents #362 of 1,984Top 20%
LC Laurel Bank Machines Co.: 2 patents #55 of 139Top 40%
AC Alps Alpine Co.: 2 patents #150 of 525Top 30%
LC Laurel Machinery Co.: 2 patents #3 of 17Top 20%
LC Laurel Precision Machines Co.: 2 patents #11 of 64Top 20%
MC Max Co.: 2 patents #154 of 321Top 50%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
RC Ricoh Optical Industries Co.: 1 patents #9 of 28Top 35%
AI Aisin: 1 patents #310 of 1,000Top 35%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
HG Helmholtz-Zentrum Berlin Für Materialien Und Energie Gmbh: 1 patents #13 of 59Top 25%
IN Inax: 1 patents #78 of 242Top 35%
KI Kurita Water Industries: 1 patents #167 of 384Top 45%
KC Kyodo Yushi Co.: 1 patents #63 of 191Top 35%
MA Maxell: 1 patents #286 of 437Top 70%
NE Nec: 1 patents #7,889 of 14,502Top 55%
NC Nippon Filcon Co.: 1 patents #32 of 62Top 55%
NS Ntt Data Communications Systems: 1 patents #25 of 56Top 45%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
3M: 1 patents #7,233 of 11,543Top 65%
SC Senju Pharmaceutical Co.: 1 patents #120 of 231Top 55%
SC Showa Denko Materials Co.: 1 patents #135 of 270Top 50%
TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #216 of 436Top 50%
TC Tokai Rika Co.: 1 patents #5 of 18Top 30%
WO Wi-Fi One: 1 patents #15 of 21Top 75%
YC Yushiro Chemical Industry Co.: 1 patents #15 of 77Top 20%
Overall (All Time): #1,025 of 4,157,543Top 1%
329
Patents All Time

Issued Patents All Time

Showing 326–329 of 329 patents

Patent #TitleCo-InventorsDate
4788094 Light controlling sheet Masayuki Morita, Noboru Takeuchi, Masakazu GOTO, Takeshi Kojima 1988-11-29
4772097 Light controlling sheet Noboru Takeuchi, Masakazu GOTO, Takeshi Kojima 1988-09-20
4685004 Rotary head type PCM recording and reproduction method and system Masaharu Kobayashi, Takaharu Noguchi, Toshifumi Shibuya, Takao Arai 1987-08-04
4628373 Rotating head type magnetic record/reproduce apparatus Shigeru Yamazaki, Takaharu Noguchi, Takao Arai 1986-12-09