KH

Ken Hamada

SU Sumco: 12 patents #23 of 464Top 5%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
SS Sumitomo Mitsubishi Silicon: 1 patents #73 of 146Top 50%
DE Denso: 1 patents #6,940 of 11,792Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #196,012 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10472733 Silicon single crystal manufacturing method Keiichi Takanashi 2019-11-12
10066313 Method of producing single crystal Hiroaki Taguchi, Kazuyuki Egashira 2018-09-04
9959611 Method and apparatus for manufacturing single crystal 2018-05-01
9816199 Method of manufacturing single crystal Keiichi Takanashi 2017-11-14
9720866 Interface circuit executing protocol control in compliance with first and second interface standards Toshio Fujisawa, Nobuhiro Kondo 2017-08-01
9708731 Method of producing silicon single crystal Keiichi Takanashi 2017-07-18
9567692 Silicon single crystal manufacturing apparatus and silicon single crystal manufacturing method Keiichi Takanashi 2017-02-14
9284660 Apparatus of producing silicon single crystal and method of producing silicon single crystal Keiichi Takanashi 2016-03-15
9145620 Single crystal pulling apparatus Shuichi Inami, Hiroaki Taguchi, Takuya Yotsui, Takashi Atami 2015-09-29
8968468 Method of controlling single crystal diameter 2015-03-03
7819972 Method for growing silicon single crystal and method for manufacturing silicon wafer Shuichi Inami, Nobumitsu Takase, Yasuhiro Kogure, Tsuyoshi Nakamura 2010-10-26
7473314 Method for growing silicon single crystal Shuichi Inami, Nobumitsu Takase, Yasuhiro Kogure, Tsuyoshi Nakamura 2009-01-06
7442251 Method for producing silicon single crystals and silicon single crystal produced thereby Shuichi Inami, Hiroki Murakami, Nobumitsu Takase, Tsuyoshi Nakamura 2008-10-28
7264674 Method for pulling a single crystal Keiichi Takanashi, Tokuji Maeda 2007-09-04
7207187 Inverter-integrated motor for an automotive vehicle Kenji Funahashi, Hiroyuki Kawata, Yasuyuki Ohkouchi 2007-04-24
6284041 Process for growing a silicon single crystal Hiroyuki Tanabe 2001-09-04
5739671 Device for accurate detection of remaining discharge capacities of a plurality of batteries 1998-04-14
5475670 Deflection plate for optical pick-up device Hideyuki Nakanishi, Hirokazu Shimizu 1995-12-12
4745611 Buried twin ridge substrate laser Kunio Itoh, Masahiro Kume, Takao Shibutani, Hirokazu Shimizu 1988-05-17
4731792 Semiconductor laser device with decreased light intensity noise Hirokazu Shimizu, Masahiro Kume, Masuru Wada, Kunio Itoh, Fumiko Tajiri 1988-03-15
4716571 A high-output semiconductor laser of dove tail groove type Masaru Wada, Kunio Itoh 1987-12-29
4675074 Method of manufacturing semiconductor device Masaru Wada, Hirokazu Shimizu, Takao Shibutani, Kunio Itoh, Iwao Teramoto 1987-06-23