Yoshihisa Minagawa

Ricoh Company: 2 patents #231 of 1,326Top 20%

Overall (2021): #95,619 of 548,734Top 20%

Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D916959	Ink cartridge	—	2021-04-20
D915508	Ink cartridge	—	2021-04-06