SN

Shigeru Nagatomo

Fujitsu Limited: 13 patents #2,362 of 24,456Top 10%
OC Oki Electric Industry Co.: 6 patents #312 of 2,807Top 15%
LC Lapis Semiconductor Co.: 4 patents #53 of 349Top 20%
OC Oki Semiconductor Co.: 3 patents #60 of 526Top 15%
Overall (All Time): #146,089 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
10838442 Semiconductor device and power source supply method 2020-11-17
9831878 Semiconductor device and selector circuit 2017-11-28
9740219 Semiconductor device and power source supply method description 2017-08-22
8525506 Semiconductor integrated circuit 2013-09-03
8203548 Driving circuit Akira Nakayama, Akihiro Sushihara 2012-06-19
7511561 Boosting circuit Kikuo Utsuno 2009-03-31
7485931 Semiconductor integrated circuit 2009-02-03
6894574 CR oscillation circuit 2005-05-17
6787432 Semiconductor device 2004-09-07
6452252 Semiconductor device 2002-09-17
6335646 Power-on reset circuit for generating a reset pulse signal upon detection of a power supply voltage 2002-01-01
6236195 Voltage variation correction circuit 2001-05-22
5880514 Protection circuit for semiconductor device 1999-03-09
5122451 Dry liquid analysis element Mitsutoshi Tanaka, Niroyuki Hosoi, Teppei Ikeda 1992-06-16
5023052 Element for analyzing body fluids Mitsutoshi Tanaka 1991-06-11
H791 Multilayer analytical element for quantitative analysis of bilirubin Harumi Katsuyama, Shigeki Kageyama 1990-06-05
4861552 Biological reaction layer and its preparation Nobuhito Masuda, Hajime Makiuchi, Yukio Yasuda 1989-08-29
H600 Whole blood analytical element and method of analyzing whole blood using Mitzutoshi Tanaka, Harumi Katsuyama, Kazuya Kawasaki 1989-03-07
4671937 Multilayer analytical element Harumi Katsuyama, Fuminori Arai, Takushi Miyazako 1987-06-09
4587102 Multi-layer analysis element utilizing specific binding reaction Yukio Yasuda, Nobuhito Masuda, Hajime Makiuchi, Masaki Okazaki 1986-05-06
4472498 Analysis film and a method of analysis using the same Nobuhito Masuda, Yukio Yasuda, Hajime Makiuchi, Masaki Okazaki 1984-09-18
4405711 Analysis element for immunochemical measurement of trace components and method for immunochemical measurement using the same Nobuhito Masuda, Yuji Mihara 1983-09-20
4404289 Method for immunochemical measurement of trace components Nobuhito Masuda, Yuji Mihara 1983-09-13
4312940 Photographic material containing a novel polymer mordant Taku Nakamura 1982-01-26
4266010 Silver halide photographic light-sensitive material Kiyotaka Hori 1981-05-05