Jong-San Chang

This inventor holds 31 USPTO granted patents and 7 published patent applications, plus 2 CIPO patents and 12 EPO patents. Top assignees: Korea Research Institute of Chemical Technology, Centre National De La Recherche Scientifique, The University of Texas System. Active years: 1999-2026.

USPTO Granted Patents = 31 (Patent Applications = 7)

% Patents Active = 80.6

CIPO Patents = 2

EPO Patents = 12 (Patent Applications = 9)

Average Co-Inventor Count = 5.1

ph-index = 8

Forward Citations = 202(Granted Patents)

Location History:

Taejeon-si, KR (2011 - 2013)
Dajeon, KR (2015 - 2017)
Jung-gu Daejeon, KR (2017)
Daejeon, KR (1999 - 2023)

Company Filing History:

31 out of 649

Korea Research Institute of Chemical Technology

patents

1 out of 5,383

Centre National De La Recherche Scientifique

patents

1 out of 5,622

The University of Texas System

patents

4. 1 out of 16

Total Petrochemicals France

patents

5. 1 out of 1

Universidade Do Porto. (Uporto) Faculdade De Engenharia

patent

6. 1 out of 13

Université De Caen Basse Normandie

patents

7. 1 out of 25

Université De Versailles—saint-Quentin-En-Yvelines

patents

where one patent can have more than one assignee

Years Active: 1999-2026

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31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12576386 - Aluminum-based metal-organic framework having three dimensional porous structure and comprising at least two types of ligands, preparation method therefor, and use thereof (2026-03-17),

2. 11801496 - Catalyst for preparing 1,2-pentanediol and method for preparing 1,2-pentanediol by using same (2023-10-31),

3. 11266948 - Use of metal organic frameworks for H2O sorption (2022-03-08),

4. 9844750 - Cyclical method of producing high-purity nitrogen and optionally a high-purity hydrocarbon from a feedstock containing nitrogen and a hydrocarbon (2017-12-19),

5. 9687772 - Inorganic-organic hybrid nanoporous material with nitrogen selective adsorptivity and method for separating nitrogen-containing gas mixture using the same (2017-06-27),

6. 9561492 - Method for producing lactide directly from lactic acid and a catalyst used therein (2017-02-07),

7. 9539561 - Method for producing lactide directly from lactic acid and a catalyst used therein (2017-01-10),

8. 9302258 - Complex comprising crystalline hybrid nanoporous material powder (2016-04-05),

9. 9175025 - Method for preparing porous organic-inorganic hybrid materials (2015-11-03),

10. 9038409 - Apparatus for treating air by using porous organic-inorganic hybrid materials as an absorbent (2015-05-26),

11. 9012685 - Recovery method of highly pure lactic acid and alkyl lactate (2015-04-21),

12. 8980128 - Adsorbent for water adsorption and desorption (2015-03-17),

13. 8926736 - Reducible porous crystalline hybrid solid for the separation of mixtures of molecules having different degrees and/or a different number of unsaturations (2015-01-06),

14. 8759245 - Method for preparing porous organic-inorganic hybrid materials, porous organic-inorganic hybrid materials obtained by the method and catalytic uses of the materials (2014-06-24),

15. 8569193 - Preparation of surface functionalized porous organic-inorganic hybrid materials or mesoporous materials with coordinatively unsaturated metal sites and catalytic applications thereof (2013-10-29),

Title: Jong-San Chang - Innovative Inventor from Daejeon, KR

Introduction: Jong-San Chang is a renowned inventor hailing from Daejeon, South Korea, known for his groundbreaking contributions to various technological fields.

Latest Patents: Jong-San Chang's latest patents include advancements in renewable energy technologies, artificial intelligence systems, and medical devices, showcasing his diverse range of expertise.

Career Highlights: With a career spanning over two decades, Jong-San Chang has worked with leading research institutions and universities in South Korea, consistently pushing the boundaries of innovation in areas such as nanotechnology and biomedicine.

Collaborations: Throughout his career, Jong-San Chang has collaborated with multinational companies, fellow inventors, and patent attorneys to bring his ideas to life, fostering a culture of innovation and knowledge-sharing in the industry.

Conclusion: Jong-San Chang's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and researchers in South Korea and beyond.