Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ran-Fun Chiu — 16 Patents

HP: 7 patents #2,783 of 16,619Top 20%
RLRacal-Milgo Limited: 4 patents #1 of 27Top 4%
RCRacal Data Communications: 2 patents #15 of 80Top 20%
HEHewlett Packard Enterprise: 1 patents #2,081 of 4,473Top 50%
Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Los Altos, CA: #727 of 3,651 inventorsTop 20%
California: #37,952 of 386,348 inventorsTop 10%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Ran-Fun Chiu has been granted 16 US patents. The first was granted in 1980 and the most recent in November 2018. Ran-Fun Chiu ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Ran-Fun Chiu in Los Altos, CA, US.

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10135673 Communicating data associated with different personas of a user Paul T. Congdon, Sujata Banerjee, Kyu-Han Kim, James Scott Hiscock 2018-11-20 $8,858,000
8787112 Seismic data apparatus and methods David M. Cook 2014-07-22
7325075 Methods for address and name discovery for Ethernet entities 2008-01-29 $14,194,000
5883901 Communications system including synchronization information for timing upstream transmission of data and ability to vary slot duration Mehrban Jam 1999-03-16 $29,054,000
5787483 High-speed data communications modem Mehrban Jam 1998-07-28 $31,814,000
5784597 Communications network system including acknowledgement indicating successful receipt of request for reserved communication slots and start time for said reserved communication slots Mehrban Jam 1998-07-21 $39,324,000
5734833 Shared communications channel with enhanced reservation and collision resolution protocols allows any subset of stations to transmit data after collision occured in contention slot Ning Bi 1998-03-31 $29,894,000
5734680 Analog implementation of a partial response maximum likelihood (PRML) read channel Charles Moore, Richard A. Baumgartner, Travis N. Blalock, Thomas M. Walley, Robert A. Zimmer +7 more 1998-03-31 $29,894,000
5150379 Signal processing system for adaptive equalization Richard A. Baugh, Darlene Louise Hart, Merban Jam, Sui-Hing Leung 1992-09-22 $17,622,000
4873702 Method and apparatus for DC restoration in digital receivers 1989-10-10
4611342 Digital voice compression having a digitally controlled AGC circuit and means for including the true gain in the compressed data William J. Miller, Richard Joerger, Frank W. Newdeck 1986-09-09
4539689 Fast learn digital adaptive equalizer Philip F. Kromer, III, Ming-Luh Kao, Henry H. Parrish 1985-09-03
4378535 Adaptive equalizer for short distance metallic circuits Yoon Beom PARK, David E. Nizel 1983-03-29
4355402 Data modem false equilibrium circuit Philip F. Kromer, III, Ming-Luh Kao, Henry H. Parrish 1982-10-19
4263671 Sampling clock correction circuit Henry H. Parrish, Philip F. Kromer, III, Ming-Luh Kao 1981-04-21
4213097 Hybrid automatic gain control circuit Philip F. Kromer, III, Ming-Luh Kao, Henry H. Parrish 1980-07-15