Ryuichi Kawa

Ricoh Company: 2 patents #5,693 of 9,818Top 60%

Overall (All Time): #2,369,968 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4262239	Servo motor apparatus	—	1981-04-14
4258301	Servo motor apparatus	—	1981-03-24