Kei Nojima

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

Overall (All Time): #1,744,429 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
11940720	Optical system and image projection apparatus	—	2024-03-26
11880122	Optical system and image projection apparatus	—	2024-01-23