Yoshinori Ishikawa

HI Hitachi: 18 patents #2,067 of 28,497Top 8%

YA Yazaki: 13 patents #327 of 3,427Top 10%

HS Hitachi-Lg Data Storage: 8 patents #31 of 294Top 15%

TO Toyota: 7 patents #4,145 of 26,838Top 20%

HC Hitachi Consumer Electronics Co.: 6 patents #36 of 447Top 9%

AC Alps Electric Co.: 2 patents #822 of 2,177Top 40%

KA Kaijo: 2 patents #19 of 83Top 25%

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%

PA Panasonic: 2 patents #9,678 of 21,108Top 50%

OK Oppama Kogyo Kabushiki Kaisha: 1 patents #6 of 11Top 55%

KI Kioritz: 1 patents #109 of 197Top 60%

Tdk: 1 patents #2,493 of 3,796Top 70%

ME Max-Planck-Gesellschaft Zur Föderung Der Wissenschaften E.V.: 1 patents #1,086 of 3,651Top 30%

YC Yokowo Co.: 1 patents #88 of 176Top 50%

MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%

NI Nikon: 1 patents #1,647 of 2,493Top 70%

Overall (All Time): #47,491 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–54 of 54 patents

Patent #	Title	Co-Inventors	Date
6403250	Pressure sensitive current breaker for a cell	Tadamitsu Azema, Yosuke Arimori	2002-06-11
6248470	Pressure sensitive ciruit breaker	Tadamitsu Azema	2001-06-19
5548360	Mechanism for detecting DX encoded film data of camera	Kimio Uematsu	1996-08-20
5240428	Working machine safety device	Hiroshi Nakata, Shigeo Take, Masao Iwata, Hiromi Watanabe	1993-08-31