TH

Tadashi Hirao

Mitsubishi Electric: 18 patents #1,216 of 25,717Top 5%
📍 Kasai, JP: #450 of 5,842 inventorsTop 8%
Overall (All Time): #260,473 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
6087708 Semiconductor integrated circuit device and a method of producing the same 2000-07-11
4949153 Semiconductor IC device with polysilicon resistor Kiyoshi Sakaue, Hisao Yakushiji, Saburo Ohsaki 1990-08-14
4812417 Method of making self aligned external and active base regions in I.C. processing 1989-03-14
4803174 Bipolar transistor integrated circuit and method of manufacturing the same 1989-02-07
4791070 Method of fabricating a solid state image sensing device Shigeto Maekawa 1988-12-13
4772567 Method of producing a semiconductor integrated circuit BI-MOS device 1988-09-20
4740482 Method of manufacturing bipolar transistor 1988-04-26
4729969 Method for forming silicide electrode in semiconductor device Kakutaro Suda 1988-03-08
4728618 Method of making a self-aligned bipolar using differential oxidation and diffusion 1988-03-01
4709469 Method of making a bipolar transistor with polycrystalline contacts 1987-12-01
4705599 Method for fabricating bipolar transistor in integrated circuit Kakutaro Suda 1987-11-10
4691436 Method for fabricating a bipolar semiconductor device by undercutting and local oxidation 1987-09-08
4665422 Solid state image sensing device Shigeto Maekawa 1987-05-12
4665424 Semiconductor device 1987-05-12
4661166 Method of manufacturing semiconductor device using a Czochralski wafer and multiple heat treatment 1987-04-28
4651016 Solid-state image sensor provided with a bipolar transistor and an MOS transistor 1987-03-17
4486942 Method of manufacturing semiconductor integrated circuit BI-MOS device 1984-12-11
4445268 Method of manufacturing a semiconductor integrated circuit BI-MOS device 1984-05-01