Masashi Hattori

Masashi Hattori

AC Aisin Aw Co.: 37 patents #16 of 2,011Top 1%

TO Toyota: 8 patents #3,629 of 26,838Top 15%

AC Aiphone Co.: 6 patents #5 of 52Top 10%

HB Hgst Netherlands, B.V.: 6 patents #124 of 972Top 15%

TC Taiyo Yuden Co.: 6 patents #213 of 959Top 25%

JT Jtekt: 5 patents #340 of 1,969Top 20%

TC Toppan Printing Co.: 3 patents #268 of 1,467Top 20%

Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%

AI Aisin-Warner: 2 patents #50 of 98Top 55%

TC Toyooki Kogyo Co.: 2 patents #9 of 46Top 20%

MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%

AC Aishin Aw Co.: 2 patents #10 of 45Top 25%

AI Aisin: 2 patents #158 of 1,000Top 20%

FL Fujitsu Client Computing Limited: 1 patents #29 of 83Top 35%

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%

SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%

ET Epson Toyocom: 1 patents #38 of 102Top 40%

TO Toppan: 1 patents #51 of 177Top 30%

HG HGST: 1 patents #1,032 of 1,677Top 65%

HI Hitachi: 1 patents #17,742 of 28,497Top 65%

KR Kabushikikaisha Equos Research: 1 patents #52 of 103Top 55%

Overall (All Time): #22,963 of 4,157,543Top 1%

Issued Patents All Time

Showing 76–79 of 79 patents

Patent #	Title	Co-Inventors	Date
4946424	Belt driven continuously variable transmission	Shiro Sakakibara, Masahiro Hasebe, Shigekazu Ohara	1990-08-07
4909776	Continuously variable transmission	Shiro Sakakibara, Masahiro Hasebe, Shigekazu Ohara	1990-03-20
4864889	Continuously variable transmission	Shiro Sakakibara	1989-09-12
4735598	Continuously variable V-belt transmission	Shuzo Moroto, Shiro Sakakibara, Masahiro Hasebe	1988-04-05