KH

Keith Hopwood

PU Phihong Usa: 5 patents #1 of 6Top 20%
SC Seoul Semiconductor Co.: 4 patents #99 of 277Top 40%
BD Black & Decker: 2 patents #1,029 of 2,138Top 50%
📍 Fremont, CA: #1,616 of 9,298 inventorsTop 20%
🗺 California: #55,401 of 386,348 inventorsTop 15%
Overall (All Time): #444,748 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12089351 Portable power supply Snehal S. Choksi, Geoffrey S. Howard, Daniel L. Schwarz, Thomas C. Kohler, Richard A. SY +3 more 2024-09-10
11109461 LED lighting apparatus capable of color temperature control Sung Ho Jin, Hyung-Jin Lee, Sang Wook Han 2021-08-31
11064587 LED lighting apparatus and LED driving circuit thereof Hye Man Jung 2021-07-13
10791597 LED lighting apparatus capable of color temperature control Sung Ho Jin, Hyung-Jin Lee, Sang Wook Han 2020-09-29
10757781 Lighting apparatus including light-emitting diodes Hyung-Jin Lee, Sung Ho Jin, Sang Wook Han, In Seok Baek 2020-08-25
10674618 Portable power supply Snehal S. Choksi, Geoffrey S. Howard, Daniel L. Schwarz, Thomas C. Kohler, Richard A. SY +3 more 2020-06-02
8277234 Interface between connectable electrical devices Chun Feng Chang 2012-10-02
7985083 Interface between connectable electrical devices Chang Chun Feng 2011-07-26
7938653 Electrical plug device with folding blades Chang Chun Feng 2011-05-10
D621781 Electrical plug adapter Chun Feng Chang, Warren A. Kartadinata 2010-08-17
D621782 Electrical plug device Chun Feng Chang, Warren A. Kartadinata 2010-08-17