TOTSUKA; Hidekazu

Patent Applications and Registrations

Patent applications and USPTO patent grants for TOTSUKA; Hidekazu.The latest application filed is for "imaging optical system, lens unit, and imaging device".

Company Profile

0.4.9

TOTSUKA; Hidekazu - Tokyo JP
Totsuka; Hidekazu - Hachioji JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Imaging Optical System, Lens Unit, And Imaging Device App 20210356694 - YAMASHITA; Atsushi ; et al.	2021-11-18
Objective Lens and Optical Pickup Device App 20110199882 - Totsuka; Hidekazu	2011-08-18
Objective optical element and optical pickup apparatus Grant 7,463,568 - Mimori , et al. December 9, 2	2008-12-09
Objective optical element and optical pickup apparatus App 20080259767 - Mimori; Mitsuru ; et al.	2008-10-23
Objective optical element and optical pickup apparatus App 20070159952 - Mimori; Mitsuru ; et al.	2007-07-12
Objective lens and optical pickup apparatus App 20060077862 - Ikenaka; Kiyono ; et al.	2006-04-13
Objective optical element, optical pick-up apparatus, and optical information recording reproducing apparatus Grant 6,856,471 - Totsuka , et al. February 15, 2	2005-02-15
Optical pickup device App 20050007931 - Sakamoto, Katsuya ; et al.	2005-01-13
Objective lens for optical pick-up apparatus and optical pick-up apparatus Grant 6,747,812 - Ota , et al. June 8, 2	2004-06-08
Objective optical element and optical pickup apparatus App 20040085662 - Mimori, Mitsuru ; et al.	2004-05-06
Objective optical element, optical pick-up apparatus, and optical information recording repreducing apparatus App 20030174417 - Totsuka, Hidekazu ; et al.	2003-09-18
Objective lens for optical pick-up apparatus and optical pick-up apparatus App 20030103272 - Ota, Kohei ; et al.	2003-06-05
Starting control unit for a refrigeration machine Grant 5,959,428 - Saito , et al. September 28, 1	1999-09-28

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