Shiro Yamada

Brother Kogyo: 13 patents #687 of 2,767Top 25%

AK Abb K.K.: 1 patents #24 of 44Top 55%

KI Kikkoman: 1 patents #125 of 324Top 40%

PA Panasonic: 1 patents #13,264 of 21,108Top 65%

Overall (All Time): #132,458 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #	Title	Co-Inventors	Date
4751927	Hair implantation method and device	—	1988-06-21
4588408	Treated hair for implantation	—	1986-05-13
4479291	Hair implanting appliance	—	1984-10-30
4378019	Hair implanting appliance	—	1983-03-29