RH

Ryoichi Hori

HI Hitachi: 74 patents #91 of 28,497Top 1%
HE Hitachi Vlsi Engineering: 14 patents #20 of 666Top 4%
HE Hitachi Micro Computer Engineering: 5 patents #10 of 393Top 3%
CK Calsonic Kansei: 4 patents #77 of 675Top 15%
RT Renesas Technology: 4 patents #758 of 3,337Top 25%
HC Hitachi Ulsi Systems Co.: 3 patents #305 of 867Top 40%
Overall (All Time): #20,203 of 4,157,543Top 1%
85
Patents All Time

Issued Patents All Time

Showing 76–85 of 85 patents

Patent #TitleCo-InventorsDate
4611299 Monolithic storage device Kiyoo Ito 1986-09-09
4590588 Monolithic semiconductor memory Kiyoo Itoh 1986-05-20
4503522 Dynamic type semiconductor monolithic memory Jun Etoh, Yoshiki Kawajiri, Kiyoo Itoh 1985-03-05
4482985 Semiconductor integrated circuit Kiyoo Itoh 1984-11-13
4475181 Semiconductor memory Jun Etoh, Yoshiki Kawajiri, Kiyoo Itoh 1984-10-02
4451841 Semiconductor device with multi-layered electrodes Masaharu Kubo, Norikazu Hashimoto, Shigeru Nishimatsu, Kiyoo Itoh 1984-05-29
4361949 Process for making a memory device Masaharu Kubo, Norikazu Hashimoto, Shigeru Nishimatsu, Kiyoo Itoh 1982-12-07
4316265 Memory device with high speed memory cell selection mechanism Hirotoshi Tanaka, Yoshiki Kawajiri, Kouetsu Chiba, Kiyoo Itoh 1982-02-16
4270262 Semiconductor device and process for making the same Masaharu Kubo, Norikazu Hashimoto, Shigeru Nishimatsu, Kiyoo Itoh 1981-06-02
4242739 Memory system with a stabilized sense amplifier Kiyoo Itoh 1980-12-30