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For the Inventor, By the Inventor

Eumseong, South Korea

Microchem Inc.


USPTO Granted Patents = 11

% Expired Patents = 54.5


Trademarks = 5

Forward Citations = 108

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20 inventors (with patents filed for the assignee):

goldMedal Daniel J Nawrocki (5 out of 9 patents)

silverMedal Rodney J Hurditch (4 out of 12 patents)

bronzeMedal Donald W Johnson (3 out of 3 patents)

4.  David W Minsek (2 out of 20 patents)

5.  Jeremy V Golden (2 out of 5 patents)

6.  William D Weber (2 out of 22 patents)

7.  Satoshi Mori (1 out of 47 patents)

8.  Thomas R Strand (1 out of 15 patents)

9.  Nao Honda (1 out of 11 patents)

10.  Pamela J Waterson (1 out of 11 patents)

11.  Joseph R Molea (1 out of 1 patent)

12.  Vincent R Urdi (1 out of 1 patent)

13.  Eric L Alemy (1 out of 1 patent)

14.  Cindy X Chen (1 out of 1 patent)

15.  Mark J Shaw (1 out of 1 patent)


11 patents:

1. 10618925 - Tungsten precursor (2020-04-14),
2. 8313571 - Compositions and processes for manufacturing printed electronics (2012-11-20),
3. 8313173 - Compositions and processes for manufacturing printed electronics (2012-11-20),
4. 7449280 - Photoimageable coating composition and composite article thereof (2008-11-11),
5. 7282324 - Photoresist compositions, hardened forms thereof, hardened patterns thereof and metal patterns formed using them (2007-10-16),
6. 6824952 - Deep-UV anti-reflective resist compositions (2004-11-30),
7. 6716568 - Epoxy photoresist composition with improved cracking resistance (2004-04-06),
8. 6586560 - Alkaline soluble maleimide-containing polymers (2003-07-01),
9. 6395449 - Poly-hydroxy aromatic dissolution modifiers for lift-off resists (2002-05-28),
10. 6391523 - Fast drying thick film negative photoresist (2002-05-21),
11. 6303260 - Dissolution rate modifiers for lift-off resists (2001-10-16),
Company Overview
Microchem Inc. is a South Korean company specializing in the development and manufacturing of advanced chemical materials and solutions. The organization focuses on innovative technologies for various applications, including electronics, semiconductors, and coatings. With a commitment to research and development, Microchem aims to provide high-performance products that meet the evolving needs of industries worldwide. Their expertise in chemical engineering positions them as a key player in enhancing material performance and functionality.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

11 Patents

#1 in Eumseong

#1,009 in South Korea

#51,714 in the World

Eumseong, KR
Eumseong, South Korea

Microchem Inc.

Forward Citations = 108

20 inventors:

goldMedal Daniel J Nawrocki (5 out of 9 patents)

silverMedal Rodney J Hurditch (4 out of 12 patents)

bronzeMedal Donald W Johnson (3 out of 3 patents)

4.  David W Minsek (2 out of 20 patents)

5.  Jeremy V Golden (2 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Microchem Inc.. Retrieved from https://idiyas.com/company/microchem

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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