Yoshiaki Itoh — 9 Patents at Sumitomo Electric Industries

Yoshiaki Itoh has been granted 9 US patents while listed as an inventor at Sumitomo Electric Industries. The first was granted in 1989 and the most recent in February 2019. Yoshiaki Itoh ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Yoshiaki Itoh in Tokyo, JP.

Patents per Year

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10215813	Storage battery state monitoring system, storage battery state monitoring method, and storage battery state monitoring program	Ichiro Mukaitani, Takeo Sakamoto	2019-02-26
5830570	Aluminum nitride substrate and process for preparation thereof	Yoshihiro Ohkawa, Makoto Ikeda, Kenichiro Miyahara	1998-11-03	$1,852,000
5799275	Speech recognizing device and method assuming a current frame is an end point of a current reference pattern	Jiro Kiyama, Hiroshi Kojima, Susumu Seki, Ryuichi Oka	1998-08-25
5614314	Magnetic recording medium having an enhanced diamond bonding ratio and a method for the manufacture thereof	Michio Osawa, Youichi Tei, Yoshiharu Kashiwakura, Michinori Nishimura, Kazuo Nimura	1997-03-25	$18,000
5427600	Low alloy sintered steel and method of preparing the same	Kozo Ito, Yoshinobu Takeda	1995-06-27
5022455	Method of producing aluminum base alloy containing silicon	Yoshinobu Takeda, Yusuke Odani, Tetsuya Hayashi, Toshihiko Kaji	1991-06-11
4926242	Aluminum-silicon alloy heatsink for semiconductor devices	Yusuke Odani, Kiyoaki Akechi, Nobuhito Kuroishi	1990-05-15
4893203	Magnetic head	Joichiro Ezaki, Shunichi Katase, Mikio Matsuzaki	1990-01-09	$25,000
4830820	Method for producing material for semiconductor device	Yusuke Odani, Kiyoaki Akechi, Nobuhito Kuroishi	1989-05-16