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For the Inventor, By the Inventor

Seoul, South Korea

Cefo Co., Ltd

Calculating rank
USPTO Granted Patents = 6


Forward Citations = 5

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20 inventors (with patents filed for the assignee):

goldMedal Hyun Jung Mo (4 out of 4 patents)

silverMedal Sunray Lee (3 out of 4 patents)

bronzeMedal Sun Ray Lee (3 out of 4 patents)

4.  Hyun Sook Park (3 out of 12 patents)

5.  Seol Chu (2 out of 2 patents)

6.  Hyunsook Park (2 out of 2 patents)

7.  Dongmok Lee (2 out of 2 patents)

8.  Jin Yup Lee (2 out of 2 patents)

9.  Ji Won Yang (2 out of 3 patents)

10.  Hyun-Sook Park (1 out of 3 patents)

11.  Kiyoung Kim (1 out of 4 patents)

12.  Jang Mi Park (1 out of 1 patent)

13.  Woojin Kim (1 out of 1 patent)

14.  Woojong Lee (1 out of 1 patent)

15.  Sungbum Park (1 out of 1 patent)


6 patents:

1. 11802263 - Culture vessel for three-dimensional cell cultivation and three-dimensional cell co-cultivation method using same (2023-10-31),
2. 11634675 - Insertable culture container and kit for three-dimensional cell culture, and three-dimensional cell co-culture method using same (2023-04-25),
3. 11345887 - Composition for preserving cells, containing, as active ingredients, plant-derived recombinant human serum albumin and plant peptides (2022-05-31),
4. 10752880 - Three-dimensional cell culture system and cell culture method using same (2020-08-25),
5. 10494601 - Method for inducing three-dimensional osteogenic differentiation of stem cells using hydrogel (2019-12-03),
6. 10104881 - Composition comprising plant-derived recombinant human serum albumin, lipids, and plant protein hydrolysates as active ingredients for cryopreservation of stem cells or primary cells (2018-10-23),
Company Overview
Cefo Co., Ltd is a leading provider of high-quality industrial solutions. Specializing in manufacturing, distribution, and sourcing, we offer a wide range of products and services to meet the needs of our customers. With a focus on innovation and customer satisfaction, we strive to deliver superior products and exceptional service in every aspect of our business.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#581 in Seoul

#1,621 in South Korea

Seoul, KR
Seoul, South Korea

Cefo Co., Ltd

Forward Citations = 5

20 inventors:

goldMedal Hyun Jung Mo (4 out of 4 patents)

silverMedal Sunray Lee (3 out of 4 patents)

bronzeMedal Sun Ray Lee (3 out of 4 patents)

4.  Hyun Sook Park (3 out of 12 patents)

5.  Seol Chu (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cefo Co., Ltd. Retrieved from https://idiyas.com/company/cefo-company

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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