RF

Ryuichi Fujimoto

KT Kabushiki Kaisha Toshiba: 11 patents #2,779 of 21,451Top 15%
Kioxia: 2 patents #693 of 1,813Top 40%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Toshiba Memory: 1 patents #1,210 of 1,971Top 65%
Canon: 1 patents #14,899 of 19,416Top 80%
Overall (All Time): #282,427 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12244217 Power supply circuit and semiconductor integrated circuit including DC-DC converter and regulator Makoto Morimoto, Rui Ito 2025-03-04
12217401 Image processing apparatus, image processing method, and storage medium Atsushi Iwashita, Kosuke Terui, Sota Torii 2025-02-04
11100975 Semiconductor memory device and method for adjusting threthold voltage thereof Rui Ito, Makoto Morimoto, Yutaka Shimizu 2021-08-24
10593405 Read process in a semiconductor memory device including a memory cell transistor Kan Shimizu, Shigehito Saigusa, Motoki NAGATA, Yumi Takada, Hitoshi Shiga +1 more 2020-03-17
8948307 Ask signal generator 2015-02-03
8008973 Amplifier for amplifying a high-frequency signal 2011-08-30
7417501 Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier Tetsuro Itakura 2008-08-26
7221920 Voltage controlled oscillator, frequency synthesizer and communication apparatus Kazuhide Abe, Mayumi Morizuka, Ryoichi Ohara, Kenya Sano, Naoko Yanase +9 more 2007-05-22
7190239 Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier Tetsuro Itakura 2007-03-13
7098737 Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier Tetsuro Itakura 2006-08-29
6870446 High frequency filter Ryoichi Ohara, Kazuhide Abe, Takashi Kawakubo, Hiroshi Yoshida, Hiroshi Tsurumi 2005-03-22
6809604 Voltage control oscillator having a ferroelectric thin film perovskite single crystal resonator Takashi Kawakubo, Ryoichi Ohara, Kazuhide Abe, Hiroshi Tsurumi, Hiroshi Yoshida 2004-10-26
6498929 Receiver having DC offset decreasing function and communication system using the same Hiroshi Tsurumi, Hiroshi Yoshida, Tetsuro Itakura, Takafumi Yamaji, Akira Yasuda +3 more 2002-12-24
5995819 Frequency converter and radio receiver using same Takafumi Yamaji, Osamu Watanabe, Hiroshi Tanimoto, Tetsuro Itakura, Shoji Otaka 1999-11-30
5809408 Variable gain circuit and radio apparatus using the same Hiroshi Tanimoto 1998-09-15
5498851 Laser machining apparatus and method Eikichi Hayashi 1996-03-12