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Tamotsu Horiuchi

Ricoh Company: 2 patents #452 of 1,810Top 25%
Overall (2017): #101,795 of 506,227Top 25%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9829762 Electrochromic display element, display device, information system, and electrochromic dimming lens Hiroyuki Takahashi, Tohru Yashiro, Keiichiroh Yutani, Yoshinori Okada, Sukchan Kim +8 more 2017-11-28
9640330 Photoelectric conversion element and solar cell Yuuji Tanaka 2017-05-02