KY

Keiichiro Yutani

Ricoh Company: 8 patents #2,692 of 9,818Top 30%
Overall (All Time): #647,183 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9224959 Method for producing a pi-electron conjugated compound Daisuke Goto, Satoshi Yamamoto, Toshiya Sagisaka, Takuji Kato, Takashi Okada +3 more 2015-12-29
9123896 Organic electronic device containing an organic semiconductor material film which contains a leaving substituent-containing compound Daisuke Goto, Satoshi Yamamoto, Toshiya Sagisaka, Takuji Kato, Takashi Okada +3 more 2015-09-01
8952181 Organic semiconductive material precursor containing dithienobenzodithiophene derivative, ink, insulating member, charge-transporting member, and organic electronic device Toshiya Sagisaka, Satoshi Yamamoto, Takashi Okada, Masato Shinoda, Daisuke Goto +4 more 2015-02-10
8680296 Leaving substituent-containing compound, products produced using the same, and methods for producing the products Daisuke Goto, Satoshi Yamamoto, Toshiya Sagisaka, Takuji Kato, Takashi Okada +3 more 2014-03-25
8598570 Organic transistor array, display device and method of fabricating display device Takumi Yamaga, Atsushi Onodera 2013-12-03
8575365 Organic semiconductive material precursor containing dithienobenzodithiophene derivative, ink, insulating member, charge-transporting member, and organic electronic device Toshiya Sagisaka, Satoshi Yamamoto, Takashi Okada, Masato Shinoda, Daisuke Goto +4 more 2013-11-05
8207528 Organic transistor, organic transistor array, and display device Hidenori Tomono, Takumi Yamaga 2012-06-26
8183563 Organic transistor, organic transistor array and display apparatus Takumi Yamaga, Takanori Tano 2012-05-22