HY

Hiroaki Yamamoto

Sumitomo Electric Industries: 60 patents #113 of 21,551Top 1%
FU Fujifilm: 50 patents #68 of 4,519Top 2%
NL Nippon Sheet Glass Company, Limited: 27 patents #12 of 836Top 2%
AC Asmo Co.: 26 patents #6 of 745Top 1%
DI Daicel Chemical Industries: 24 patents #16 of 893Top 2%
PA Panasonic: 19 patents #1,080 of 21,108Top 6%
Mitsubishi Electric: 19 patents #1,108 of 25,717Top 5%
GC Green Tokai Co.: 16 patents #1 of 14Top 8%
SK Suzuki Jidosha Kogyo: 16 patents #1 of 121Top 1%
FA Fanuc: 11 patents #257 of 1,735Top 15%
FI Fujifilm Business Innovation: 8 patents #1,176 of 5,238Top 25%
Schlumberger Technology: 8 patents #785 of 7,293Top 15%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
KE Keihin: 5 patents #37 of 596Top 7%
DA Daicel: 4 patents #85 of 523Top 20%
KC Komatsu Electronic Metals Co.: 4 patents #26 of 160Top 20%
SM Suzuki Motor: 4 patents #123 of 1,209Top 15%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
AI Aisin: 3 patents #81 of 1,000Top 9%
Nichia: 3 patents #567 of 1,531Top 40%
Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
OF Otsuka Pharmaceutical Factory: 2 patents #79 of 354Top 25%
NE Nec: 2 patents #5,510 of 14,502Top 40%
SC Senju Pharmaceutical Co.: 2 patents #78 of 231Top 35%
MK Mitsubishi Denki K.K.: 2 patents #70 of 577Top 15%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
Kioxia: 2 patents #693 of 1,813Top 40%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
TC Taoka Chemical Co.: 2 patents #14 of 69Top 25%
TU Tohoku University: 2 patents #330 of 1,680Top 20%
TC Tokai Metals Co.: 2 patents #4 of 8Top 50%
SO Sony: 2 patents #12,963 of 25,231Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
ND Ntt Docomo: 1 patents #1,030 of 1,706Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
T& Tsumura &: 1 patents #52 of 128Top 45%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%
HK Honda Giken Koygo: 1 patents #31 of 356Top 9%
SC Shin-Kobe Electric Machinery Co.: 1 patents #92 of 199Top 50%
SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
HD Hitachi Denshi: 1 patents #119 of 275Top 45%
📍 Tokyo, OH: #1 of 59 inventorsTop 2%
Overall (All Time): #996 of 4,157,543Top 1%
334
Patents All Time

Issued Patents All Time

Showing 326–334 of 334 patents

Patent #TitleCo-InventorsDate
5012697 Revolution controller for a continuously variable transmission Yoshinori Yamashita, Sadayuki Hirano, Katsuaki Murano, Takumi Tatsumi 1991-05-07
4964317 Hydraulic control method for continuously variable speed change gear mechanism for a vehicle and a drive control method for a pressure valve thereof Katsuaki Murano, Sadayuki Hirano, Yoshinori Yamashita, Takumi Tatsumi 1990-10-23
4962678 Hydraulic control method for continuously variable speed change gear mechanism for a vehicle and a drive control method for a pressure valve thereof Katsuaki Murano, Sadayuki Hirano, Yoshinori Yamashita, Takumi Tatsumi 1990-10-16
4958538 Method and apparatus for controlling line pressure of continuously variable transmission system Yoshinori Yamashita, Sadayuki Hirano, Katsuaki Murano, Takumi Tatsumi 1990-09-25
4926716 Method of controlling continuously variable transmission system Sadayuki Hirano, Katsuaki Murano, Yoshinori Yamashita, Takumi Tatsumi 1990-05-22
4856380 Method of controlling clutch pressure of continuously variable transmission system Katsuaki Murano, Sadayuki Hirano, Yoshinori Yamashita, Takumi Tatsumi 1989-08-15
4666762 Surface protecting material 1987-05-19
4377787 System for measuring state of charge of storage battery Takao Kikuoka, Noriyoshi Sasaki, Kotaro Wakui, Keinosuke Murakami, Kazunori Ohnishi +3 more 1983-03-22
D261847 Folding cup 1981-11-17