Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HW

Han C. Wang — 10 Patents

IBM: 6 patents #16,491 of 70,183Top 25%
ITITRI: 2 patents #3,461 of 9,619Top 40%
Ford: 2 patents #6,478 of 17,473Top 40%
SCSunonwealth Electric Machine Industry Co.: 1 patents #82 of 166Top 50%
Yorktown, NY: #10 of 52 inventorsTop 20%
New York: #14,754 of 115,490 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Han C. Wang has been granted 10 US patents while listed as an inventor at IBM. The first was granted in 1983 and the most recent in January 2001. Han C. Wang ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Han C. Wang in Yorktown, NY, US.

Patents per Year

Patents granted per year, 1983 to 2001Bar chart with a peak of 2 patents in 1983.peak 21983: 2 patents19831986: 1 patents19861987: 1 patents19871994: 1 patents19941997: 1 patents19971999: 1 patents19992000: 2 patents20002001: 1 patents2001

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6179355 Automotive vehicle bumper assembly Shui-Fang Chou, Yi Qu 2001-01-30 $80,372,000
6143398 Thermal transfer color-variable ribbons for peripheral printers Yi-Jen Tsou, Fang-Chuan Ho, Tomy Cheng 2000-11-07
6029765 Powertrain mounting apparatus for a motor vehicle Shui-Fang Chou, Lee Ho 2000-02-29 $297,435,000
5923110 Spindle motor for optical disc drives Chi-Mou Zhao, Chin-Po Liao, Shyh-Jier Wang, Min WU, Der-Ray Huang +5 more 1999-07-13
5604832 Method and apparatus for batch, active alignment of laser arrays to fiber arrays Shawn A. Hall, Ramon Lane 1997-02-18 $16,348,000
5343548 Method and apparatus for batch, active alignment of laser arrays to fiber arrays Shawn A. Hall, Ramon Lane 1994-08-30 $20,418,000
4703689 Two lever print actuator with aligned pivots and energy transfer surfaces Joseph E. Wallace 1987-11-03 $100,914,000
4596479 Dot matrix printer Eric G. Lean, Keith S. Pennington, Samuel C. Tseng 1986-06-24 $42,518,000
4393769 Electrostatic clutch-operated printing mechanism Alfred J. Landon, William B. Pennebaker 1983-07-19 $18,760,000
4393967 Electrostatic clutch Jerome J. Cuomo, Alfred J. Landon 1983-07-19 $18,760,000