OH

Osamu Hanagasaki

Yamaha: 5 patents #527 of 2,001Top 30%
NS Nippon Gakki Seizo: 1 patents #163 of 332Top 50%
Overall (All Time): #886,019 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5869859 DRAM capacitor having lower electrode and dielectric layer of same planar shape preformed on field DRAM oxide film 1999-02-09
5767541 Semiconductor memory device with ferroelectric capacitor 1998-06-16
5304502 Process of fabricating semiconductor integrated circuit having conductive strips used as resistor and gate electrode of component transistor 1994-04-19
4870033 Method of manufacturing a multilayer electrode containing silicide for a semiconductor device Tadahiko Hotta 1989-09-26
4746629 Process of fabricating semiconductor device involving planarization of a polysilicon extrinsic base region 1988-05-24
4327623 Reference frequency signal generator for tuning apparatus Yasunori Mochida, Terumoto Nonaka 1982-05-04