RN

Ryoichi Nakamura

SO Sony: 5 patents #7,785 of 25,231Top 35%
NE Nec: 4 patents #3,388 of 14,502Top 25%
NE Nec Electronics: 3 patents #234 of 1,789Top 15%
EM Elpida Memory: 2 patents #267 of 692Top 40%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
DC Dowa Electronics Materials Co.: 1 patents #148 of 241Top 65%
Overall (All Time): #365,325 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12376400 Imaging device Hidenobu TSUGAWA, Kiichi Ishikawa, Hiroshi Takahashi 2025-07-29
11749609 Semiconductor device and method of manufacturing semiconductor device Hiroyuki Kawashima, Yoshihisa Kagawa, Yuusaku KOBAYASHI 2023-09-05
11671726 Solid-state imaging device Hiroshi Takahashi, Hidenori Maeda 2023-06-06
11405569 Solid-state imaging device Hiroshi Takahashi, Hidenori Maeda 2022-08-02
9469916 Method of producing GaAs single crystal and GaAs single crystal wafer Motoichi Murakami, Takehiro Miyaji 2016-10-18
7990756 Semiconductor memory device and method for manufacturing same 2011-08-02
7414291 Semiconductor device and method of manufacturing the same Shigetomi Michimata, Ryo Nagai, Satoru Yamada, Yoshitaka Nakamura 2008-08-19
7057243 Hybrid semiconductor device having an n+ (p) doped n-type gate and method of producing the same Satoru Yamada, Ryo Nagai, Kiyonori Oyu, Norikatsu Takaura 2006-06-06
6653230 Semiconductor device having concave electrode and convex electrode and method of manufacturing thereof 2003-11-25
6611031 Semiconductor device and method for its manufacture 2003-08-26
6597033 Semiconductor memory device and manufacturing method thereof 2003-07-22
6110753 Semiconductor memory and manufacturing method of the semiconductor memory 2000-08-29
5193033 Magnetic recording and reproducing apparatus incorporating clogging detection Hiroshi Shimoi, Takafumi Inadomi, Kan Kawahara 1993-03-09