KF

Koh Fujimura

Ricoh Company: 3 patents #215 of 1,821Top 15%
Overall (2018): #67,771 of 503,207Top 15%
3
Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10093693 Electrochromic compound, electrochromic composition, and display element Toshiya Sagisaka, Hiroyuki Takahashi, Takashi Okada, Shigenobu Hirano, Tohru Yashiro +7 more 2018-10-09
9932522 Electrochromic compound, electrochromic composition, display element, and dimming element Daisuke Goto, Toshiya Sagisaka, Shigenobu Hirano, Satoshi Yamamoto, Mamiko Inoue +9 more 2018-04-03
9869918 Electrochromic apparatus, electrochromic element, and method of manufacturing electrochromic element Takahiko Matsumoto, Keiichiroh Yutani, Hidekazu Yaginuma, Fuminari Kaneko, Mamiko Inoue +3 more 2018-01-16