TM

Tsuyoshi Matsuyama

Ricoh Company: 9 patents #2,462 of 9,818Top 30%
Overall (All Time): #553,485 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11756743 Photoelectric conversion element Yuuji Tanaka, Tamotsu Horiuchi, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki +1 more 2023-09-12
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
10847323 Photoelectric conversion element and solar cell Tamotsu Horiuchi, Yuuji Tanaka, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki +1 more 2020-11-24
10763050 Photoelectric conversion element Yuuji Tanaka, Ryota Arai, Tokushige Kino, Shigeyo Suzuki, Naomichi Kanei 2020-09-01
10693092 Photoelectric conversion element and solar cell Yuuji Tanaka, Tamotsu Horiuchi, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki +1 more 2020-06-23
10686134 Photoelectric conversion element Ryota Arai, Yuuji Tanaka, Tokushige Kino, Naomichi Kanei 2020-06-16
10651390 Tertiary amine compound, photoelectric conversion element, and solar cell Yuuji Tanaka, Ryota Arai, Tokushige Kino, Naomichi Kanei, Tamotsu Horiuchi 2020-05-12
10319533 Photoelectric conversion element and solar cell Tamotsu Horiuchi, Yuuji Tanaka, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki +1 more 2019-06-11