KW

Kiyomi Watanabe

OL Origin Electric Company, Limited: 11 patents #6 of 128Top 5%
FI Fujikin Incorporated: 2 patents #138 of 318Top 45%
TC T&S Co.: 2 patents #2 of 21Top 10%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #345,860 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11128213 Inverter circuit and X-ray radiation device Toshiro Sakabe, Toyohiko Aoki, Shin YOKOSHIMA 2021-09-21
10701788 Power unit and medical electric device Toshiro Sakabe, Toyohiko Aoki, Shin YOKOSHIMA 2020-06-30
8848406 Single-phase voltage type AC/DC converter, three-phase voltage type AC/DC converter, and stabilization control method Masaaki Ohshima, Shuichi Ushiki, Yasuhiro Genjima 2014-09-30
8471484 Reversed-polarity pulse generating circuit for direct current plasma and direct current plasma power supply unit Kazuo Sakai, Kenichi Nakamura 2013-06-25
8441812 Series resonant converter having a circuit configuration that prevents leading current Shingo Ueno, Atsushi Saito 2013-05-14
8107263 Series resonant converter Shingo Ueno, Shinichi Omaki, Atsushi Saito 2012-01-31
7244343 Sputtering apparatus Kiyoshi Komatsu, Kazuo Sakai, Hiroyuki Ikoshi, Tetsuya Matsumoto, Toshio Kobayashi +1 more 2007-07-17
6998791 Discharge power supply apparatus Toshio Kobayashi, Tetsuya Matsumoto, Tadashi Masuda, Hiroyuki Ikoshi, Kazuo Sakai +1 more 2006-02-14
6914794 Power conversion device Teruo Tomaki 2005-07-05
6906902 Semiconductor integrated circuit 2005-06-14
6737847 Capacitor charging method and charging apparatus Takayuki Mimura, Teruo Tomaki 2004-05-18
6384579 Capacitor charging method and charging apparatus 2002-05-07
5187737 Power supply device for X-ray tube 1993-02-16
5067143 Current detecting circuit for X-ray tube Tetsuya Matsumoto 1991-11-19