Prapas Charoensilputthakun

Follow

Person

Pathumthani, TH

People

Patents Grantslast 30 patents

Information Patent Grant
Blade drive device and optical device
- Patent number 8,550,731
- Issue date Oct 8, 2013
- Seiko Precision Inc.
- Phichet Numnual
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light amount adjusting device and optical device
- Patent number 8,368,989
- Issue date Feb 5, 2013
- Seiko Precision Inc.
- Phichet Numnual
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Blade drive device and optical device
- Patent number 8,254,008
- Issue date Aug 28, 2012
- Seiko Precision Inc.
- Worachai Jaitham
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Blade drive device
- Patent number 8,047,733
- Issue date Nov 1, 2011
- Seiko Precision Inc.
- Phichet Numnual
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
BLADE DRIVE DEVICE AND OPTICAL DEVICE
- Publication number 20110170852
- Publication date Jul 14, 2011
- Seiko Precision Inc.
- Phichet Numnual
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BLADE DRIVE DEVICE AND OPTICAL DEVICE
- Publication number 20110164298
- Publication date Jul 7, 2011
- Seiko Precision Inc.
- Worachai Jaitham
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT AMOUNT ADJUSTING DEVICE AND OPTICAL DEVICE
- Publication number 20100157405
- Publication date Jun 24, 2010
- Seiko Precision Inc.
- Phichet Numnual
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BLADE DRIVE DEVICE
- Publication number 20100074612
- Publication date Mar 25, 2010
- Seiko Precision Inc.
- Phichet NUMNUAL
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY