1
Yen Wei Ho: Lamp housing for high-power LED street lamp. Raymond y Chan, David and Raymond Patent Firm, June 14, 2011: US07959331 (66 worldwide citation)

A lamp housing for a high-power LED street lamp has symmetrical rectangular planes formed at each side of a centerline of a back wall thereof. The included angle intersected with direction lines normal to the two outermost symmetrically rectangular planes is between 60˜140 degrees. The rectangular p ...


2
Long Bao Zhang: Light source arrangement. A L Lightech, Raymond Y Chan, David and Raymond Patent Firm, July 22, 2008: US07401945 (58 worldwide citation)

A light source arrangement includes an electric input adapter for electrically connecting with a power source and a light head including a supporting frame and a luminary unit. The supporting frame has a dissipating end and a peripheral surface provided thereon. The luminary unit includes a circuit ...


3
Norman P Coleman, Ching Fang Lin: 4D GIS based virtual reality for moving target prediction. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Firm, July 24, 2012: US08229163 (47 worldwide citation)

The technology of the 4D-GIS system deploys a GIS-based algorithm used to determine the location of a moving target through registering the terrain image obtained from a Moving Target Indication (MTI) sensor or small Unmanned Aerial Vehicle (UAV) camera with the digital map from GIS. For motion pred ...


4
Fan Bao: Leaves and seeds hand grinder. Raymond Y Chan, David and Raymond Patent Firm, September 9, 2008: US07422170 (47 worldwide citation)

A grinder includes a grinder housing having a grinder actuator, a first grinding plate, a second grinding plate and a detachable coupling arrangement. The first grinding plate is detachably coupling with the grinder actuator, wherein the first grinding plate has a plurality of first grinding knifes ...


5
Lawrence Ng Chan Wing: Photographic flashlight. Stuart A Whang, David and Raymond Patent Firm, Raymond Y Chan, May 12, 2009: US07530701 (31 worldwide citation)

A light diffusion arrangement, for a photographic device having a flashlight, includes a diffuser housing, a plurality of diffracting mesh members, and a plurality of light diffusing elements. The diffuser housing has a light-admissible surrounding sidewall radially extended from a base portion to d ...


6
Ching Fang Lin: Positioning and navigation method and system thereof. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Firm, August 5, 2008: US07409290 (31 worldwide citation)

A improved positioning and navigation method and system thereof can substantially solve the problems encountered in global positioning system-only and inertial navigation system-only, such as loss of global positioning satellite signal, sensibility to jamming and spoofing, and inertial solution's dr ...


7
Wanda Ying Li: Solar lighting arrangement for outdoor umbrella. Oliver Joen An Ma, Raymond Y Chan, David and Raymond Patent Firm, January 29, 2013: US08360079 (30 worldwide citation)

A solar lighting arrangement, which is incorporated with an outdoors umbrella, includes a solar energy collector mounted on top of the outdoors umbrella, a chain lighting arrangement, an attachable lighting system, and a light support, which is adjustably mounted along a supporting shaft of the outd ...


8
George Cheung, Peter Lee, Paul Lau, June Lee: Shoulder/neck supporting electronic application. Raymond Y Chan, David and Raymond Patent Firm, April 10, 2012: US08155368 (29 worldwide citation)

A shoulder/neck supporting electronic appliance includes a wireless head set wherein the head set includes a supporting unit adapted for wearing on a user's collar from behind, a wireless audio device comprising a wireless transceiver supported by the supporting unit for receiving an audio signal, a ...


9
Wanda Ying Li: Outdoor umbrella with solar power supply. Raymond Y Chan, David and Raymond Patent Firm, July 21, 2009: US07562667 (27 worldwide citation)

An outdoor umbrella includes a foldable umbrella awning, an umbrella frame, a lighting system mounted on the umbrella frame, and a solar power supply arrangement which converts solar energy into electrical energy and provides the converted electrical energy to the lighting system for lighting up the ...


10
Wanda Ying Li: Adjustable rotation base. Raymond Y Chan, David and Raymond Patent Firm, February 22, 2011: US07891633 (24 worldwide citation)

An adjustable rotation base includes a base housing and a transportation arrangement. The base housing has a bottom side, an upper side for coupling with the supporting post to support the outer umbrella in an upright manner, and a receiving cavity indently formed on the bottom side of the base hous ...