RI

Ryuichi Ishii

Mitsubishi Electric: 13 patents #2,044 of 25,717Top 8%
KT Kabushiki Kaisha Toshiba: 11 patents #2,779 of 21,451Top 15%
TW The Japan Steel Works: 1 patents #307 of 643Top 50%
📍 Tokyo, MO: #83 of 223 inventorsTop 40%
Overall (All Time): #149,352 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12232300 Power semiconductor device and method for manufacturing power semiconductor device Noriyuki Besshi, Masaru Fuku, Kazuya Fukuhara 2025-02-18
11581247 Semiconductor device resistant to thermal cracking and manufacturing method thereof 2023-02-14
11569148 Semiconductor device with a metal plate Koki Hayakashi, Dai Yoshii 2023-01-31
11430721 Power module Hiroshi Gokan, Masaru Fuku 2022-08-30
11088649 Power conversion unit Yasuhiko Kitamura, Shozo Kanzaki, Toshiyuki Yasutomi 2021-08-10
10937725 Semiconductor device and method for manufacturing thereof Yuya Muramatsu, Noriyuki Besshi 2021-03-02
10727189 Power semiconductor device Noriyuki Besshi, Masaru Fuku, Yuji Fujimoto, Yusuke Hirata 2020-07-28
10553559 Power semiconductor device Noriyuki Besshi, Masaru Fuku, Takayuki Yamada, Takao Mitsui 2020-02-04
10403559 Power semiconductor device Masaru Fuku, Noriyuki Besshi, Takayuki Yamada, Takao Mitsui, Komei Hayashi 2019-09-03
10242930 Molded resin-sealed power semiconductor device 2019-03-26
10186501 Electric power converter and power module 2019-01-22
9018756 Semiconductor device Noriyuki Besshi 2015-04-28
8653924 Reactor Masaru Kobayashi, Takao Mitsui, Matahiko Ikeda, Naoki Moritake, Hirotoshi Maekawa +2 more 2014-02-18
7850424 Steam turbine power plant Seiko Takahashi, Yoichi Tsuda, Nobuo Okita, Katsuya Yamashita, Yukio Shinozaki +2 more 2010-12-14
7651318 Steam turbine Takeo Suga, Takeo Takahashi, Masafumi Fukuda 2010-01-26
7599853 System and method of arranging delivery of advertisements over a network such as the internet Takuya Matsumoto, Shiro Kidera 2009-10-06
7484926 Steam turbine power plant Takeo Suga, Takeo Takahashi, Masafumi Fukuda 2009-02-03
7238005 Steam turbine power plant Seiko Takahashi, Yoichi Tsuda, Nobuo Okita, Katsuya Yamashita, Yukio Shinozaki +2 more 2007-07-03
7192247 Steam turbine power generation system and low-pressure turbine rotor Takeo Suga, Takeo Takahashi, Masafumi Fukuda 2007-03-20
6821360 Heat-resisting steel, method for thermally treating heat-resisting steel, and components made of heat-resisting steel Yoichi Tsuda, Masayuki Yamada 2004-11-23
6763334 System and method of arranging delivery of advertisements over a network such as the internet Takuya Matsumoto, Shiro Kidera 2004-07-13
6499946 Steam turbine rotor and manufacturing method thereof Masayuki Yamada, Takao Inukai, Masataka Kikuchi, Joji Kaneko, Satoru Asai +2 more 2002-12-31
6494970 Heat resistant steel casting and method of manufacturing the same Yoichi Tsuda, Masayuki Yamada 2002-12-17
6193469 High toughness heat-resistant steel, turbine rotor and method of producing the same Yoichi Tsuda, Masayuki Yamada 2001-02-27
5779821 Rotor for steam turbine and manufacturing method thereof Yoichi Tsuda, Masayuki Yamada 1998-07-14