KT

Kohji Takeuchi

Ricoh Company: 2 patents #386 of 1,821Top 25%
Overall (2018): #128,222 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10126623 Electrochromic device and electrochromic dimming device Shun GOTO, Tohru Yashiro, Sukchan Kim, Takahiko Matsumoto, Keiichiroh Yutani +3 more 2018-11-13
9891497 Electrochromic device and method for producing electrochromic device Tohru Yashiro, Sukchan Kim, Shun GOTO, Yuuma Usui, Yasuo Katano +11 more 2018-02-13