KH

Keizo Harada

Sumitomo Electric Industries: 47 patents #180 of 21,551Top 1%
Yamaha: 6 patents #432 of 2,001Top 25%
MM Murata Machinery: 1 patents #201 of 397Top 55%
SC Sumitomo Electric Toyama Co.: 1 patents #34 of 38Top 90%
Overall (All Time): #47,206 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDate
11900905 Signal output device 2024-02-13
11790879 Impact detection device and percussion instrument Kazuo Masaki, Emi Tanabe 2023-10-17
10192534 Percussion instrument Takuto Yudasaka, Masakazu Kato 2019-01-29
10187714 Sound pickup device and sound processing device Hideaki Takehisa, Nobuhiro Nambu, Masamichi Yano 2019-01-22
10171901 Sound pickup device and sound processing device Hideaki Takehisa, Nobuhiro Nambu, Masamichi Yano 2019-01-01
8521415 Traveling vehicle and method of controlling the same 2013-08-27
8148617 Drum pad and manufacturing method thereof Ryuji Hashimoto, Shuichi Sawada, Kenichi Nishida 2012-04-03
7998621 Collector, battery electrode substrate, and methods for producing the same Masahiro Kato, Hidetoshi Saito, Tadashi Omura, Hitoshi Tsuchida 2011-08-16
7588861 Battery electrode producing method of filling active material into a metal coated fabric substrate Kazuki Okuno, Masahiro Kato, Tetsuo Sakai, Tsutomu Iwaki, Masaru Yao 2009-09-15
6840978 Porous metal article, metal composite material using the article and method for production thereof Takahiro Matsuura 2005-01-11
6402488 Oil pump Kenichi Watanabe, Koichi Sogabe, Toshiyuki Kosuge 2002-06-11
6387149 Metal porous bodies, method for preparation thereof and metallic composite materials using the same Kenichi Watanabe 2002-05-14
6103319 Battery electrode substrate and process for producing the same Kenichi Watanabe, Shosaku Yamanaka, Kiyoshi Hayashi, Nobuyasu Morishita, Hiroki Takeshima +2 more 2000-08-15
6071650 Battery electrode substrate and process for producing the same Kenichi Watanabe, Shosaku Yamanaka 2000-06-06
6020089 Electrode plate for battery Masayuki Ishii, Kenichi Watanabe, Shosaku Yamanaka 2000-02-01
5968685 Battery electrode substrate and process for producing the same Kenichi Watanabe, Shosaku Yamanaka, Kiyoshi Hayashi, Nobuyasu Morishita, Hiroki Takeshima +2 more 1999-10-19
5965298 Electrode plate for battery and process for producing the same Masayuki Ishii, Kenichi Watanabe, Shosaku Yamanaka 1999-10-12
5910662 Semiconductor substrate having a superconducting thin film Hideo Itozaki, Naoji Fujimori, Shuji Yazu, Tetsuji Jodai 1999-06-08
5888658 Battery electrode substrate and process for producing the same Kenichi Watanabe, Shosaku Yamanaka, Kiyoshi Hayashi, Nobuyasu Morishita, Hiroki Takeshima +2 more 1999-03-30
5851599 Battery electrode substrate and process for producing the same Kenichi Watanabe, Shosaku Yamanaka, Kiyoshi Hayashi, Nobuyasu Morishita, Hiroki Takeshima +2 more 1998-12-22
5733684 Electrode substrate for battery and process for preparing the same Kenichi Watanabe, Shosaku Yamanaka 1998-03-31
5712227 Substrate having a superconductor layer Kenjiro Higaki, Takashi Matsuura, Hitoshi Oyama, Hideo Itozaki, Shuji Yazu 1998-01-27
5672411 Insulating boards and method of manufacturing the same Kenichi Watanabe, Shosaku Yamanaka 1997-09-30
5643834 Process for manufacturing a semiconductor substrate comprising laminated copper, silicon oxide and silicon nitride layers Takao Maeda, Takatoshi Takikawa, Shunsuke Ban, Shosaku Yamanaka 1997-07-01
5640669 Process for preparing metallic porous body, electrode substrate for battery and process for preparing the same Masayuki Ishii, Kenichi Watanabe, Shosaku Yamanaka 1997-06-17