YY

Yoshihiro Yamada

SH Shimadzu: 11 patents #120 of 2,007Top 6%
MC Murata Manufacturing Co.: 7 patents #1,107 of 5,295Top 25%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
AC Aisin Aw Co.: 6 patents #321 of 2,011Top 20%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
AU Atsugi Unisia: 3 patents #20 of 117Top 20%
NS Nippon Steel: 3 patents #914 of 4,423Top 25%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
NE Nec: 2 patents #5,510 of 14,502Top 40%
SI Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
TO Toshiba: 2 patents #606 of 2,688Top 25%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
AA Autoliv Development Ab: 1 patents #518 of 1,363Top 40%
UJ Unisia Jecs: 1 patents #221 of 395Top 60%
YC Yamada Co.: 1 patents #7 of 17Top 45%
YA Yamazen: 1 patents #3 of 7Top 45%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
DC Dmg Mori Seiki Co.: 1 patents #58 of 142Top 45%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
AI Aisin-Warner: 1 patents #62 of 98Top 65%
📍 Kozushima, JP: #7 of 222 inventorsTop 4%
Overall (All Time): #41,161 of 4,157,543Top 1%
58
Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
4924731 Hydraulic control device for an automatic transmission Youichi Hayakawa, Yoshinari Kuwayama 1990-05-15
4894637 Positive temperature coefficient thermistor device Yuichi Takaoka, Masahito Mihara, Takashi Shikama 1990-01-16
4889621 Oil strainer for an automatic transmission Ryoichi Shirai, Youichi Hayakawa 1989-12-26
D300717 Cordless electric drill Hideaki Hasegawa 1989-04-18
4646890 One-way clutch mounting means for automatic transmissions Mutsumi Kawamoto, Tatsuya Iwatsuki, Koujiro Kuramochi 1987-03-03
4586156 Word processing system for displaying information in full character and layout mode Kazuyuki Kurata, Kiyozi Motoki 1986-04-29
4351602 Electrostatic printer 1982-09-28
4277160 Electrostatic printer 1981-07-07