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For the Inventor, By the Inventor

Gyeonggi-do, South Korea

Interojo Inc.


USPTO Granted Patents = 4



Trademarks = 7

Forward Citations = 2

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10 inventors (with patents filed for the assignee):

goldMedal Kyung Hee Oh (2 out of 2 patents)

silverMedal Soo Chang Lee (2 out of 2 patents)

bronzeMedal Sang Il Hyun (1 out of 1 patent)

4.  Dong Hun Shin (1 out of 1 patent)

5.  Tae Sun Chang (1 out of 18 patents)

6.  Hyung Rok Kim (1 out of 1 patent)

7.  Kyoung Hee Yun (1 out of 1 patent)

8.  Seunghee Pyen (1 out of 1 patent)

9.  Hyungeun Ham (1 out of 1 patent)

10.  Mirae Ra (1 out of 1 patent)

11.  Hyung Rok Kim (0 patent)


4 patents:

1. 12448516 - Silicone hydrogel contact lenses (2025-10-21),
2. 10807999 - Siloxane monomer, composition for preparation of silicone hydrogel lens containing same, and silicone hydrogel lens (2020-10-20),
3. 10371965 - Hydrogel contact lens having wet surface, and manufacturing method therefor (2019-08-06),
4. 8530532 - Hydrogel contact lenses having improved wettability (2013-09-10),
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USPTO Data Jan 1 1976 - Jan 6 2026

4 Patents

#149 in Gyeonggi-do

#2,091 in South Korea

...
Gyeonggi-do, South Korea

Interojo Inc.

Forward Citations = 2

10 inventors:

goldMedal Kyung Hee Oh (2 out of 2 patents)

silverMedal Soo Chang Lee (2 out of 2 patents)

bronzeMedal Sang Il Hyun (1 out of 1 patent)

4.  Dong Hun Shin (1 out of 1 patent)

5.  Tae Sun Chang (1 out of 18 patents)

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