KF

Koh Fujimura

Ricoh Company: 2 patents #318 of 1,487Top 25%
Overall (2020): #150,764 of 565,922Top 30%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 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
10527905 Electrochromic element, display device and driving method thereof Fuminari Kaneko, Hidekazu Yaginuma, Keiichiroh Yutani, Takahiko Matsumoto, Mamiko Inoue +1 more 2020-01-07