TF

Tomoo Fukuda

Ricoh Company: 2 patents #192 of 1,125Top 20%
Overall (2022): #103,078 of 548,613Top 20%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11474408 Electronic device, method for producing electronic device, and photochromatic lens unit Yasuhiro Takahashi, Keiichiroh Yutani, Tohru Yashiro, Kohji Takeuchi, Tohru Hasegawa +2 more 2022-10-18
11237447 Electrochromic element Keiichiroh Yutani, Hiroyuki Takahashi, Koh Fujimura, Tohru Yashiro, Takaaki Konno +1 more 2022-02-01