Shizuo Umemura

RJ Research Development Corporation Of Japan: 2 patents #1 of 52Top 2%

Fujitsu Limited: 1 patents #586 of 1,515Top 40%

Overall (1989): #15,769 of 140,708Top 15%

Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4822673	Microwave device	—	1989-04-18
4805145	Method for recording and reproducing information	—	1989-02-14