YK

Yutaka Kawabe

IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
NA Nabco: 1 patents #31 of 74Top 45%
Overall (All Time): #1,567,144 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7674399 Electroluminescent material and electroluminescent element using the same Masanori Ando, Akio Yamanaka, Eiichi Hanamura 2010-03-09
5970711 Master cylinder having double structured seal ring Takeshi Kaneko, Katsumi Maehara, Takaaki Ohnishi 1999-10-26
5182666 Organic optical logic device 1993-01-26