KY

Keiichiroh Yutani

Ricoh Company: 4 patents #39 of 982Top 4%
Overall (2023): #44,442 of 537,848Top 9%
4
Patents 2023

Issued Patents 2023

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11774826 Electrochromic element and electrochromic light control device Tohru Yashiro, Fuminari Kaneko, Tomoo Fukuda 2023-10-03
11754901 Electrochromic device, wearable device, and method for driving electrochromic device Tohru Yashiro, Fuminari Kaneko, Tohru Hasegawa, Naoki Ura 2023-09-12
11681196 Electrochromic device, control device of electrochromic device, and control method of electrochromic device Tohru Hasegawa 2023-06-20
11630365 Electrochromic element and production method thereof, electrochromic light-adjusting element, electrochromic light-adjusting lens, and electrochromic device Fuminari Kaneko, Yuto Matsuoka, Kayato Ohya, Tohru Yashiro, Tomoo Fukuda +1 more 2023-04-18