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For the Inventor, By the Inventor

Elgin, IL, United States of America

World Richman Manufacturing Corporation


USPTO Granted Patents = 40

% Expired Patents = 10.0


Forward Citations = 663

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8 inventors (with patents filed for the assignee):

goldMedal Saharut Sirichai (29 out of 30 patents)

silverMedal Michael Liu (5 out of 5 patents)

bronzeMedal Iordanka Koleva Mulhern (5 out of 6 patents)

4.  Edison Huang (2 out of 2 patents)

5.  Kerry L Landtiser (2 out of 2 patents)

6.  Sararut Sirichai (1 out of 1 patent)

7.  Sarahut Sirichai (1 out of 1 patent)

8.  David Huang (1 out of 1 patent)

9.  Saharut Sirichai (0 patent)


Core Competencies:
Mobile Communications Device
Cradle Assembly
Protective Insert
Wristband
Case Construction
Accessory Access Window
Waterproof Pouch
Universal Mechanism
Rotating Mechanism
Bulletproof Insert
Armband Attachment
Device-Holding Feature

40 patents:

1. 12259752 - Case with segmented cradle assembly for a mobile communications device (2025-03-25),
2. 12143138 - Case for a mobile communications device with accessory access window (2024-11-12),
3. D982308 - Cover for a tracking device (2023-04-04),
4. D976576 - Cover for a tracking device (2023-01-31),
5. D972429 - Band assembly (2022-12-13),
6. 11473876 - Bullet-resistive insert assembly for a backpack and the like (2022-10-18),
7. 11360538 - Mechanism for automatically powering off/on a visual display (2022-06-14),
8. D947526 - Universal armband assembly (2022-04-05),
9. D947460 - Bulletproof insert for a backpack (2022-03-29),
10. 11201636 - Cradle apparatus for use with a mobile communications device (2021-12-14),
11. D918759 - Wristband for an electronic device (2021-05-11),
12. 10980322 - Sleeve assembly for an electronic device (2021-04-20),
13. 10601965 - Cradle assembly and formation for a mobile communications device (2020-03-24),
14. 10595602 - Case assembly for an electronic device (2020-03-24),
15. D857543 - Wristband for an electronic device (2019-08-27),
Company Overview
World Richman Manufacturing Corporation, based in Elgin, Illinois, specializes in the development and production of innovative mobile communication and electronic devices. The company focuses on creating advanced solutions such as cradle assemblies, universal armband assemblies, and waterproof pouches, catering to the needs of modern consumers. Their expertise extends to device-holding mechanisms and reversible cases, emphasizing durability and functionality in everyday applications. World Richman is committed to enhancing user experience through thoughtful design and engineering.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

40 Patents

#5 in Elgin, IL

#472 in Illinois

#8,628 in US

#17,068 in the World

Elgin, IL (US)
Elgin, IL, United States of America

World Richman Manufacturing Corporation

Forward Citations = 663

8 inventors:

goldMedal Saharut Sirichai (29 out of 30 patents)

silverMedal Michael Liu (5 out of 5 patents)

bronzeMedal Iordanka Koleva Mulhern (5 out of 6 patents)

4.  Edison Huang (2 out of 2 patents)

5.  Kerry L Landtiser (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: World Richman Manufacturing Corporation. Retrieved from https://idiyas.com/company/world-richman-manufacturing

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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