KN

Kazukiyo Nagai

Ricoh Company: 1 patents #496 of 1,326Top 40%
Overall (2021): #381,797 of 548,734Top 70%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11209713 Electrochromic element and electrochromic dimming element Satoshi Yamamoto, Tamotsu Horiuchi, Keiichiroh Yutani, Sukchan Kim, Yoshinori Okada +10 more 2021-12-28