Inventor

SEKI TETSUYA

JP13 patents

⚠️ This page may combine multiple inventors who share the name “SEKI TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

3 patents

US5145554ASep 8, 1992

Method of anisotropic dry etching of thin film semiconductors

SEIKO EPSON CORP24 citations91

US5436876AJul 25, 1995

Optical head and optical memory device

SEIKO EPSON CORP15 citations73

US5194119AMar 16, 1993

Method of anisotropic dry etching of thin film semiconductors

SEIKO EPSON CORP9 citations73

MINEBEA MITSUMI INC

3 patents

US10914317B2Feb 9, 2021

Centrifugal fan

MINEBEA MITSUMI INC4 citations68

US11005400B2May 11, 2021

Motor current control device and motor current control method

MINEBEA MITSUMI INC1 citations60

US10469010B2Nov 5, 2019

Motor drive controller, control method for motor drive controller, control program for motor drive controller, and method for determining number of divisions of basic step angle

MINEBEA MITSUMI INC0 citations51

TORAY INDUSTRIES

2 patents

US4904525AFeb 27, 1990

Anti-reflection optical article and process of producing the same

TORAY INDUSTRIES177 citations98

US4940602AJul 10, 1990

Process of producing an anti-reflection optical article

TORAY INDUSTRIES33 citations92

MINEBEA CO LTD

2 patents

US10316860B2Jun 11, 2019

Centrifugal fan having impeller with blades between annular shroud and main plate

MINEBEA CO LTD7 citations82

US10498284B2Dec 3, 2019

Motor drive controller and method for controlling motor

MINEBEA CO LTD0 citations40

AJINOMOTO KK

1 patent

US7767236B2Aug 3, 2010

Plant seed extract composition and process for producing the same

AJINOMOTO KK0 citations49

NIHASHI KIYOTAKE

1 patent

US8269809B2Sep 18, 2012

Printing apparatus

NIHASHI KIYOTAKE0 citations40

LOTTE CO LTD

1 patent

US10588548B2Mar 17, 2020

Chewing detecting device

LOTTE CO LTD0 citations27