YO

Yasuhiko Oyama

DI Disco: 2 patents #249 of 708Top 40%
SC Sekisui Chemical Co.: 2 patents #358 of 908Top 40%
KO Konica: 1 patents #1,290 of 1,958Top 70%
SK Sekisui Kagaku Kogyo: 1 patents #148 of 395Top 40%
Overall (All Time): #1,580,141 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7335578 Method for manufacturing semiconductor chip Masateru Fukuoka, Munehiro Hatai, Satoshi Hayashi, Shigeru Danjo, Masahiko Kitamura +1 more 2008-02-26
6939741 IC chip manufacturing method Masateru Fukuoka, Munehiro Hatai, Satoshi Hayashi, Shigeru Danjo, Masahiko Kitamura +1 more 2005-09-06
4883734 Toner for development of electrostatic image and method of fixing employing the same Satoru Ikeuchi, Mitutaka Arai, Yuki Okuyama, Hideki Yuri, Tomoo Shiohara 1989-11-28