Takematsu; Yoshiyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Takematsu; Yoshiyuki.The latest application filed is for "light emission control of external flash for digital camera".

Company Profile

0.5.9

Takematsu; Yoshiyuki - Tokyo JP
Takematsu; Yoshiyuki - Meguro-ku Tokyo 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
Light Emission Control Of External Flash For Digital Camera App 20120293079 - Takematsu; Yoshiyuki	2012-11-22
Light Emission Control Of External Flash For Digital Camera App 20120114318 - Takematsu; Yoshiyuki	2012-05-10
Light Emission Control of External Flash For Digital Camera App 20080166112 - Takematsu; Yoshiyuki	2008-07-10
Method and device for controlling quantity of light from flash lamp externally attached to digital camera App 20070139550 - Takematsu; Yoshiyuki	2007-06-21
Control of light emission from flash lamp externally attached to digital camera Grant 6,704,500 - Takematsu March 9, 2	2004-03-09
Flash system for underwater photography with a digital camera App 20030214593 - Takematsu, Yoshiyuki	2003-11-20
Control of light emission from flash lamp externally attached to digital camera App 20030086704 - Takematsu, Yoshiyuki	2003-05-08
Method and device for controlling quantity of light from flash lamp externally attached to digital camera App 20020171753 - Takematsu, Yoshiyuki	2002-11-21
Flash lamps for underwater photography provided with target light and control methods and devices therefor App 20020001463 - Inoue, Akihide ; et al.	2002-01-03
Flash lamps for underwater photography App 20010007414 - Inoue, Akihide ; et al.	2001-07-12
Electric flash apparatus Grant 4,469,989 - Takematsu September 4, 1	1984-09-04
Electric flash apparatus Grant 4,415,247 - Takematsu November 15, 1	1983-11-15
Power supply Grant 4,385,347 - Takematsu May 24, 1	1983-05-24
Photographic flash apparatus Grant 4,242,616 - Takematsu December 30, 1	1980-12-30

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