SH

Shigenobu Hirano

Ricoh Company: 3 patents #215 of 1,821Top 15%
Overall (2018): #57,659 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, Tohru Yashiro, Koh Fujimura +7 more 2018-10-09
10012885 Electrochromic display device Yoshinori Okada, Yoshihisa Naijo, Tohru Yashiro, Hiroyuki Takahashi, Toshiya Sagisaka +5 more 2018-07-03
9932522 Electrochromic compound, electrochromic composition, display element, and dimming element Daisuke Goto, Toshiya Sagisaka, Satoshi Yamamoto, Mamiko Inoue, Tohru Yashiro +9 more 2018-04-03