TM

Tsuyoshi Matsuyama

Ricoh Company: 2 patents #231 of 1,326Top 20%
Overall (2021): #102,784 of 548,734Top 20%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11081662 Photoelectric conversion element and solar cell Yuuji Tanaka, Tamotsu Horiuchi, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki +1 more 2021-08-03
10930443 Photoelectric conversion element Yuuji Tanaka, Tamotsu Horiuchi, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki +1 more 2021-02-23