Makoto Nakagawa

SO Sony: 15 patents #2,858 of 25,231Top 15%

Casio Computer Co.: 12 patents #183 of 1,970Top 10%

AK Aisan Kogyo Kabushiki Kaisha: 6 patents #76 of 642Top 15%

TK Tomei Sangyo Kabushiki Kaisha: 6 patents #1 of 35Top 3%

Aisin Seiki Kabushiki Kaisha: 5 patents #693 of 3,782Top 20%

MC Menicon Co.: 3 patents #65 of 263Top 25%

TO Toyota: 2 patents #10,861 of 26,838Top 45%

NS Nippon Soken: 2 patents #546 of 1,540Top 40%

SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%

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

CD Circuit Design: 1 patents #2 of 6Top 35%

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

AC Aisan Industry Co.: 1 patents #46 of 109Top 45%

Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%

TO Tomey: 1 patents #22 of 51Top 45%

TT Tomey Technology: 1 patents #6 of 19Top 35%

Overall (All Time): #45,980 of 4,157,543Top 2%

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #	Title	Co-Inventors	Date
4938331	Fluid coupling for engine cooling system	Atsushi Ohmi	1990-07-03
4664593	Blade configuration for shrouded motor-driven fan	Masaharu Hayashi	1987-05-12
4467903	Temperature responsive, pneumatically actuated, fluid shear, cooling fan clutch and control therefor	Masaharu Hayashi, Kenji Hattori	1984-08-28
4444300	Viscous fluid coupling device	Masaharu Hayashi	1984-04-24
4339938	Method and apparatus for forming metal pipes and tubes	Takeshi Mori	1982-07-20