Keiichi Sato

MC Mitsumi Electric Co.: 15 patents #43 of 935Top 5%

HC Hitachi Software Engineering Co.: 14 patents #4 of 502Top 1%

Honda Motor Co.: 14 patents #1,210 of 21,052Top 6%

MK Mitsubishi Kasei: 13 patents #5 of 911Top 1%

Mitsubishi Electric: 11 patents #2,558 of 25,717Top 10%

MC Mitsubishi Chemical: 10 patents #211 of 3,022Top 7%

TO Toyota: 10 patents #2,889 of 26,838Top 15%

IT Illinois Institute Of Technology: 6 patents #6 of 218Top 3%

SC Sumitomo Metal Mining Co.: 5 patents #120 of 736Top 20%

PJ Primetals Technologies Japan: 4 patents #7 of 100Top 8%

EB Ebara: 3 patents #598 of 1,611Top 40%

PA Panasonic: 3 patents #7,617 of 21,108Top 40%

HI Hitachi: 2 patents #11 of 127Top 9%

Brother Kogyo: 2 patents #1,845 of 2,767Top 70%

LI Lintec: 2 patents #189 of 514Top 40%

MM Mitsubishi-Hitachi Metals Machinery: 2 patents #4 of 45Top 9%

NC Nippon Soda Co.: 2 patents #207 of 648Top 35%

SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%

NF Ntt Facilities: 1 patents #17 of 58Top 30%

OL Olympus: 1 patents #2,078 of 3,097Top 70%

OL Origin Electric Company, Limited: 1 patents #42 of 128Top 35%

NK Nihon Kohden: 1 patents #238 of 467Top 55%

SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%

AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%

Mazda Motor: 1 patents #2,563 of 4,755Top 55%

SS Sumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%

TC Toyo Ink Mfg. Co.: 1 patents #227 of 499Top 50%

Canon: 1 patents #14,899 of 19,416Top 80%

HC Hitachi Cable: 1 patents #530 of 1,086Top 50%

SO Sony: 1 patents #17,262 of 25,231Top 70%

Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%

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

📍 Isa, IL: #1 of 1 inventorsTop 100%

Overall (All Time): #8,662 of 4,157,543Top 1%

128

Patents All Time

Issued Patents All Time

Showing 126–128 of 128 patents

Patent #	Title	Co-Inventors	Date
4679296	Machine tool	Kikuo Watanabe, Mitsuo Kobayashi, Noboru Hirose	1987-07-14
4528403	Hydroformylation process for preparation of aldehydes and alcohols	Kazuo Tano, Toru Okoshi	1985-07-09
4527230	Method of controlling a set point	Yoko Takeuchi, Midori Yanagisawa	1985-07-02