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

Amy Chang — 16 Patents

IBM: 7 patents #14,688 of 70,183Top 25%
Google: 2 patents #10,599 of 22,993Top 50%
Alcatel Lucent: 2 patents #1,547 of 4,169Top 40%
JNJuniper Networks: 1 patents #1,825 of 2,602Top 75%
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
Amy Chang has been granted 16 US patents while listed as an inventor at IBM. The first was granted in 1997 and the most recent in May 2022. Amy Chang ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Amy Chang in Los Altos, CA, US.

Patents per Year

Patents granted per year, 1997 to 2022Bar chart with a peak of 3 patents in 2016.peak 31997: 2 patents19971998: 1 patents2001: 1 patents20012002: 1 patents2004: 1 patents20042010: 1 patents2011: 1 patents20112014: 1 patents2015: 2 patents20152016: 3 patents2017: 1 patents20172022: 1 patents2022

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11323330 Validating network topologies Lisa M. Beam, Amol Sood 2022-05-03 $1,741,000
9633335 Managing relationship and contact information Twum Djin, Ryan McDonough, Jan Matthias Ruhl, Richard J. Walsh 2017-04-25
D768721 Display screen with graphical user interface Twum Djin, Ryan McDonough, Jan Matthias Ruhl, Richard J. Walsh 2016-10-11
D759687 Display screen with animated graphical user interface Twum Djin, Ryan McDonough, Jan Matthias Ruhl, Richard J. Walsh 2016-06-21
D752081 Display with graphical user interface Twum Djin, Ryan McDonough, Jan Matthias Ruhl, Richard J. Walsh 2016-03-22
9172662 Virtual chassis system control protocols Roberto H. Jacob Da Silva, Nalinakshan Kunnath, Ignatius Santoso, Anand Vinayagam 2015-10-27 $2,391,000
9148390 System and method for virtual chassis split prevention Stephen C. Hanka, Roberto H. Jacob Da Silva, Shaofu Wu 2015-09-29 $1,644,000
8924303 Method and system for obtaining feedback for a product Jan Matthias Ruhl, Todd Jackson, Arturo Crespo, Twum Djin, Emily Margaret Anderson 2014-12-30 $10,328,000
7991752 Managing and coordinating savepoint functionality in a distributed database system Yuk Kuen Chan, Yin Cheung 2011-08-02 $4,890,000
7860803 Method and system for obtaining feedback for a product Jan Matthias Ruhl, Todd Jackson, Arturo Crespo, Twum Djin, Emily Margaret Anderson 2010-12-28 $124,937,000
6694326 Graphical filter dialog window system and method for same Debra Mayhew, Michael Leon Pauser, Tu-An Cheng, Lara Hamilton Cone 2004-02-17 $14,035,000
6438582 Method and system for efficiently coordinating commit processing in a parallel or distributed database system Hui-I Hsiao 2002-08-20 $9,830,000
6247023 Method for providing database recovery across multiple nodes Hui-I Hsiao 2001-06-12 $30,235,000
5745747 Method and system of lock request management in a data processing system having multiple processes per transaction Hui-I Hsiao 1998-04-28 $8,659,000
5680608 Method and system for avoiding blocking in a data processing system having a sort-merge network Hui-I Hsiao, Anant Deep Jhingran, Walter Gene Wilson 1997-10-21 $16,513,000
5630124 System and method for assuring atomicity of distributed update requests in a parallel database Daniel J. Coyle, Jr., Timothy R. Malkemus, Walter Gene Wilson 1997-05-13 $10,594,000