MH

Makoto Hirakawa

Ricoh Company: 2 patents #300 of 1,584Top 20%
Overall (2019): #144,198 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10451961 Focus adjustment system for an image display device Hibiki Tatsuno, Kiichiro Nishina, Yasuyuki Shibayama, Takanobu Osaka 2019-10-22
10310238 Magnification optical system Hibiki Tatsuno, Kiichiro Nishina, Yasuyuki Shibayama, Takanobu Osaka 2019-06-04