KY

Keiichiroh Yutani

Ricoh Company: 2 patents #618 of 2,036Top 35%
Overall (2016): #124,085 of 481,213Top 30%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9500926 Electrochromic display element and image display device Koh Fujimura, Tohru Yashiro, Shigenobu Hirano, Hiroyuki Takahashi, Yoshinori Okada +3 more 2016-11-22
9304368 Electrochromic device and production method thereof Tohru Yashiro, Shigenobu Hirano, Toshiya Sagisaka, Mamiko Inoue, Hiroyuki Takahashi +6 more 2016-04-05