KF

Koh Fujimura

Ricoh Company: 2 patents #231 of 1,326Top 20%
Overall (2021): #140,224 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11209713 Electrochromic element and electrochromic dimming element Satoshi Yamamoto, Kazukiyo Nagai, Tamotsu Horiuchi, Keiichiroh Yutani, Sukchan Kim +10 more 2021-12-28
11053267 Electrochromic compound, electrochromic composition, and display element Toshiya Sagisaka, Hiroyuki Takahashi, Takashi Okada, Shigenobu Hirano, Tohru Yashiro +7 more 2021-07-06