Yoshikazu Hamada

YK Ykk: 40 patents #4 of 845Top 1%

MK Mitsui Kinzoku Kogyo: 11 patents #4 of 99Top 5%

📍 Toyama, JP: #30 of 1,699 inventorsTop 2%

Overall (All Time): #49,056 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #	Title	Co-Inventors	Date
4914395	Method and apparatus for detecting pinhole	—	1990-04-03
4364590	Automobile door locking apparatus with cancellation mechanisms	—	1982-12-21
4358141	Noise prevention device in an automobile locking apparatus	—	1982-11-09