IM

Ikuro Masuda

HI Hitachi: 48 patents #320 of 28,497Top 2%
HC Hitachi Engineering Co.: 2 patents #103 of 572Top 20%
Overall (All Time): #58,992 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 1–25 of 48 patents

Patent #TitleCo-InventorsDate
5696715 Semiconductor memory device having bipolar and field effect transistors and an improved coupling arrangement for logic units or logic blocks Hideo Maejima 1997-12-09
5644548 Dynamic random access memory having bipolar and C-MOS transistor Goro Kitsukawa, Takao Watanabe, Ryoichi Hori, Noriyuki Honma, Kunihiko Yamaguchi +2 more 1997-07-01
5600268 Gate circuit of combined field-effect and bipolar transistors Kazuo Kato, Takao Sasayama, Yoji Nishio, Shigeo Kuboki, Masahiro Iwamura 1997-02-04
5512847 BiCMOS tri-state output driver Yukio Suzuki, Masahiro Iwamura, Shinji Kadono, Akira Uragami, Masayoshi Yoshimura +1 more 1996-04-30
5495183 Level conversion circuitry for a semiconductor integrated circuit Yukio Suzuki, Masahiro Iwamura, Shinji Kadono, Akira Urragami, Masayoshi Yoshimura +1 more 1996-02-27
5455955 Data processing system with device for arranging instructions Hiroyuki Kida, Hideo Maejima, Shirou Baba 1995-10-03
5378941 Bipolar transistor MOS transistor hybrid semiconductor integrated circuit device Yoji Nishio, Kazuo Kato, Shigeo Kuboki, Masahiro Iwamura 1995-01-03
5371713 Semiconductor integrated circuit Katsumi Ogiue, Yukio Suzuki, Masanori Odaka, Hideaki Uchida 1994-12-06
5333282 Semiconductor integrated circuit device with at least one bipolar transistor arranged to provide a direct connection between a plurality of MOSFETs Hideo Maejima 1994-07-26
5311482 Semiconductor integrated circuit Katsumi Ogiue, Yukio Suzuki, Masanori Odaka, Hideaki Uchida 1994-05-10
5245224 Level conversion circuitry for a semiconductor integrated circuit Yukio Suzuki, Masahiro Iwamura, Shinji Kadono, Akira Uragami, Masayoshi Yoshimura +1 more 1993-09-14
5239212 Gate circuit of combined field-effect and bipolar transistors with an improved discharge arrangement Kazuo Kato, Takao Sasayama, Yoji Nishio, Shigeo Kuboki, Masahiro Iwamura 1993-08-24
5153452 Bipolar-MOS IC with internal voltage generator and LSI device with internal voltage generator Masahiro Iwamura, Shigeya Tanaka, Tatsumi Yamauchi, Tetsuo Nakano 1992-10-06
5117382 Semiconductor integrated circuit for performing an arithmetic operation including bipolar and MOS transistors Hideo Maejima, Takashi Hotta, Masahiro Iwamura, Kouzaburou Kurita, Masahiro Ueno 1992-05-26
5103120 Level conversion circuitry for a semiconductor integrated circuit Yukio Suzuki, Masahiro Iwamura, Shinji Kadono, Akira Uragami, Masayoshi Yoshimura +1 more 1992-04-07
5042010 Semiconductor integrated circuit Katsumi Ogiue, Yukio Suzuki, Masanori Odaka, Hideaki Uchida 1991-08-20
5005153 Data processor integrated on a semiconductor substrate Hideo Maejima 1991-04-02
5001366 Gate circuit of combined field-effect and bipolar transistors Kazuo Kato, Takao Sasayama, Yoji Nishio, Shigeo Kuboki 1991-03-19
4983862 Semiconductor integrated circuit with a bi-MOS input circuit for providing input signals to an internal logic block Yukio Suzuki, Masahiro Iwamura, Shinji Kadono, Akira Uragami, Masayoshi Yoshimura +1 more 1991-01-08
4924439 Semiconductor integrated circuit Katsumi Ogiue, Yukio Suzuki, Masanori Odaka, Hideaki Uchida 1990-05-08
4890017 CMOS-BiCMOS gate circuit Kazuo Kato, Takao Sasayama, Yoji Nishio, Shigeo Kuboki, Masahiro Iwamura 1989-12-26
4879480 Bicmos gate array Yukio Suzuki, Masahiro Iwamura, Shinji Kadono, Akiro Uragami, Masayoshi Yoshimura +1 more 1989-11-07
4860148 Semiconductor integrated circuit device with a protective circuit Masahiro Iwamura, Hideaki Uchida 1989-08-22
4858189 Semiconductor integrated circuit Katsumi Ogiue, Yukio Suzuki, Masanori Odaka, Hideaki Uchida 1989-08-15
4853560 Logic circuit and semiconductor integrated circuit device capable of operating by different power supplies Masahiro Iwamura, Hideo Maejima 1989-08-01