YO

Yoshinori Okada

Ricoh Company: 1 patents #623 of 1,487Top 45%
Overall (2020): #211,237 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10626133 Electrochromic compound, electrochromic composition, and display element Toshiya Sagisaka, Hiroyuki Takahashi, Takashi Okada, Shigenobu Hirano, Tohru Yashiro +7 more 2020-04-21