Yoshio Takizawa

Bridgestone: 11 patents #187 of 2,860Top 7%

KC Konishiroku Photo Industry Co.: 5 patents #175 of 894Top 20%

KO Konica: 4 patents #638 of 1,958Top 35%

MK Mitsubishi Kinzoku: 4 patents #22 of 280Top 8%

MM Mitsubishi Materials: 3 patents #352 of 1,543Top 25%

KH Koji Hashimoto: 1 patents #7 of 15Top 50%

Overall (All Time): #140,003 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #	Title	Co-Inventors	Date
4780373	Heat-transfer material	Yasuo Masuda, Tsutomu Takahashi, Naokazu Yoshiki	1988-10-25
4579800	Azo photoreceptor	Naohiro Hirose, Osamu Sasaki	1986-04-01
4576886	Azo photoreceptor	Naohiro Hirose, Osamu Sasaki	1986-03-18