Yuichi Yamakawa

SC Seikosha Co.: 2 patents #13 of 84Top 20%

📍 Kamagaya, JP: #1 of 6 inventorsTop 20%

Overall (1994): #15,102 of 165,921Top 10%

Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5320441	Wire-dot printer in which printing modes can be changed over from one to another	—	1994-06-14
D345576	Printing head of a printer for a computer	—	1994-03-29