Kazuo Nakagawa

NC Nikkiso Co.: 7 patents #27 of 287Top 10%

Canon: 6 patents #8,497 of 19,416Top 45%

Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%

Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%

SC Sumitomo Special Metals Co.: 3 patents #65 of 262Top 25%

YI Yoshitomi Pharmaceutical Industries: 3 patents #61 of 310Top 20%

ML Mitsubishi Petrochemical Company Limited: 2 patents #172 of 670Top 30%

MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%

TC Takara Shuzo Co.: 1 patents #138 of 264Top 55%

TC Trw Steering Systems Japan Co.: 1 patents #2 of 12Top 20%

Overall (All Time): #155,270 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4982010	Method of producing 4-biphenyl p-tolyl ether	Naoki Hanayama, Akira Shimada	1991-01-01