Yamanaka; Yukio

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yamanaka; Yukio.The latest application filed is for "led lighting unit and vehicle lamp".

Company Profile

0.5.4

Yamanaka; Yukio - Tokyo JP
Yamanaka; Yukio - Shimamoto JP
Yamanaka; Yukio - Osaka JP
Yamanaka, Yukio - Neyagawa-shi JP
Yamanaka; Yukio - Kadoma 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
LED lighting unit and vehicle lamp Grant 8,337,062 - Tanaka , et al. December 25, 2	2012-12-25
Led Lighting Unit And Vehicle Lamp App 20090251916 - Tanaka; Hidemi ; et al.	2009-10-08
Core piece and non-contact communication type information carrier using the core piece Grant 7,159,785 - Yamanaka , et al. January 9, 2	2007-01-09
Electronic ballast for a discharge lamp Grant 6,943,502 - Yamanaka , et al. September 13, 2	2005-09-13
Apparatus, method, and program for estimation of biological electromagnetic compatibility App 20050021321 - Mochizuki, Shoji ; et al.	2005-01-27
Electronic ballast for a discharge lamp App 20040222752 - Yamanaka, Yukio ; et al.	2004-11-11
Core piece and non-contact communication type information carrier using the core piece App 20040144847 - Yamanaka, Yukio ; et al.	2004-07-29
Power supply having a chopper with an improved power factor Grant 5,517,399 - Yamauchi , et al. May 14, 1	1996-05-14
AC-to-DC converter incorporating a chopper and charge-pump circuit combination Grant 5,406,471 - Yamanaka April 11, 1	1995-04-11

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