HY

Hitoshi Yamamoto

SE Seiko Epson: 56 patents #152 of 7,774Top 2%
CO Comcast: 29 patents #119 of 4,447Top 3%
Ricoh Company: 28 patents #700 of 9,818Top 8%
Honda Motor Co.: 17 patents #852 of 21,052Top 5%
NE Nec: 15 patents #768 of 14,502Top 6%
SM Smc: 13 patents #84 of 737Top 15%
NC Nippon Shokubai Co.: 12 patents #75 of 1,108Top 7%
CH Chisso: 11 patents #75 of 833Top 10%
Mitsubishi Electric: 10 patents #2,886 of 25,717Top 15%
SC Sumitomo Special Metals Co.: 10 patents #15 of 262Top 6%
KC Kokusai Denshin Denwa Co.: 7 patents #52 of 382Top 15%
Apple: 7 patents #4,247 of 18,612Top 25%
Kawasaki: 7 patents #285 of 2,943Top 10%
CP Chisso Petrochemical: 6 patents #17 of 139Top 15%
FC Fuji Electric Co.: 5 patents #458 of 2,643Top 20%
IC Idemitsu Kosan Co.: 4 patents #327 of 1,237Top 30%
TC Toyoda Gosei Co.: 3 patents #706 of 2,296Top 35%
MC Mizusawa Industrial Chemicals: 2 patents #29 of 90Top 35%
HC Hodogaya Chemical Co.: 2 patents #141 of 359Top 40%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
JC Japan Powder Metallurgy Co.: 1 patents #4 of 20Top 20%
KA Kaijo: 1 patents #43 of 83Top 55%
ME Meidensha: 1 patents #255 of 555Top 50%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
Nintendo Co.: 1 patents #886 of 1,476Top 65%
NC Nippon Zoki Pharmaceutical Co.: 1 patents #78 of 156Top 50%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Samsung: 1 patents #49,284 of 75,807Top 70%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Tokyo, CA: #22 of 583 inventorsTop 4%
Overall (All Time): #2,299 of 4,157,543Top 1%
236
Patents All Time

Issued Patents All Time

Showing 51–75 of 236 patents

Patent #TitleCo-InventorsDate
10784534 Solid electrolyte and lithium ion battery Tomofumi YOKOYAMA 2020-09-22
10774004 Solid electrolyte and lithium ion battery Tomofumi YOKOYAMA 2020-09-15
10770757 Manufacturing method of electrode assembly Tsutomu Teraoka, Tomofumi YOKOYAMA, Tomoyuki Okuyama 2020-09-08
10749114 Organic electroluminescent materials and devices Vadim Adamovich, Ting-Chih Wang, Michael S. Weaver, Chuanjun Xia, Bert Alleyne +3 more 2020-08-18
10700236 Quantum dot spacing for high efficiency quantum dot LED displays Jonathan S. Steckel, Paul S. Drzaic 2020-06-30
10615451 Electrolyte battery, and electronic apparatus Tomofumi YOKOYAMA 2020-04-07
10510973 Color-stable organic light emitting diode stack Xin Xu, Michael S. Weaver 2019-12-17
10490194 Speech processing apparatus, speech processing method and computer-readable medium Takafumi Koshinaka 2019-11-26
10468717 Electrolyte, battery, and electronic apparatus Tomofumi YOKOYAMA 2019-11-05
10457699 Organic electroluminescent materials and devices Pierre-Luc T. BOUDREAULT, Vadim Adamovich, Harvey Wendt, Chuanjun Xia 2019-10-29
10458560 Pilot check valve Seikai Yo, Hirosuke Yamada 2019-10-29
10461131 Quantum dot LED and OLED integration for high efficiency displays Jonathan S. Steckel, Mathew K. Mathai, Paul S. Drzaic 2019-10-29
10454136 Polymer electrolyte, polymer electrolyte composition, battery, and electronic apparatus Tomofumi YOKOYAMA 2019-10-22
10411298 Polyelectrolyte composition, polyelectrolyte, battery, and electronic apparatus Tomofumi YOKOYAMA 2019-09-10
10340549 Electrolyte and battery, and electronic device and vehicle Tomofumi YOKOYAMA 2019-07-02
10199581 Organic electroluminescent materials and devices Pierre-Luc T. BOUDREAULT, Alexey Borisovich Dyatkin, David Zenan Li, Scott Joseph, Chuanjun Xia +3 more 2019-02-05
10192932 Quantum dot LED and OLED integration for high efficiency displays Jonathan S. Steckel, Mathew K. Mathai, Paul S. Drzaic 2019-01-29
10109815 Reducing OLED device efficiency at low luminance Vadim Adamovich, Michael S. Weaver, Julia J. Brown 2018-10-23
10074806 Organic electroluminescent materials and devices Vadim Adamovich, Ting-Chih Wang, Michael S. Weaver, Chuanjun Xia, Bert Alleyne +3 more 2018-09-11
10061226 Image forming apparatus and image forming method Kazuaki Kamihara, Yuuichiroh Uematsu, Tetsuya Muto, Tomohide Takenaka, Keita Sone +5 more 2018-08-28
10003033 Organic electroluminescent materials and devices Pierre-Luc T. BOUDREAULT, Alexey Borisovich Dyatkin, Chuanjun Xia 2018-06-19
9989876 Image forming apparatus and method for calculating a toner degradation rate Mutsuki Morinaga, Tadashi Kasai, Jun Hitosugi, Takamasa Ozeki, Makoto Yasuda +6 more 2018-06-05
9985232 Biscarbazole derivative host materials for OLED emissive region Kazuki Nishimura, Toshihiro Iwakuma, Michael S. Weaver, Julia J. Brown 2018-05-29
9966541 Biscarbazole derivative host materials and green emitter for OLED emissive region Michael S. Weaver, Julia J. Brown, Kazuki Nishimura, Toshihiro Iwakuma 2018-05-08
9831437 Organic electroluminescent materials and devices Lichang Zeng, Vadim Adamovich, Ting-Chih Wang, Chuanjun Xia, Michael S. Weaver +1 more 2017-11-28