John W. Chang has been granted 10 US patents while listed as an inventor at Open Text . The first was granted in 1990 and the most recent in January 2025. John W. Chang ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list John W. Chang in San Jose, CA, US.
Patents per Year Patents granted per year, 1990 to 2025 Bar chart with a peak of 2 patents in 1996. peak 2 1990: 1 patents 1990 1996: 2 patents 1996 1998: 1 patents 1998 2021: 1 patents 2021 2022: 1 patents 2022 2023: 2 patents 2023 2024: 1 patents 2024 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12189654 Content source integration Rakesh Kumar Bipinchandra Shah , Paul Kieron Carl Narth , Bean Huat Chua 2025-01-07
12008312 Systems and methods for conversion of web content into reusable templates and components Paul Kieron Carl Narth , Sampada Khare , Sunil Menon 2024-06-11
$15,843,000
11762880 Content source integration Rakesh Kumar Bipinchandra Shah , Paul Kieron Carl Narth , Bean Huat Chua 2023-09-19
11580297 Systems and methods for conversion of web content into reusable templates and components Paul Kieron Carl Narth , Sampada Khare , Sunil Menon 2023-02-14
$18,536,000
11295074 Systems and methods for conversion of web content into reusable templates and components Paul Kieron Carl Narth , Sampada Khare , Sunil Menon 2022-04-05
$13,052,000
11210321 Content source integration Rakesh Kumar Bipinchandra Shah , Paul Kieron Carl Narth , Bean Huat Chua 2021-12-28
$20,594,000
D400310 Combined hand and wrist protector — 1998-10-27
5519918 Multifunctional spring-grip dumb-bell — 1996-05-28
5488755 Multi-functional handgrip — 1996-02-06
D309804 Diver's mask — 1990-08-07