IDiyas

For the Inventor, By the Inventor

Suwon-si, South Korea

Wan-Jin Choi

USPTO Granted Patents = 13

Average Co-Inventor Count = 3.5

ph-index = 4

Forward Citations = 87(Granted Patents)


Location History:

  • Kyonggi-do, KR (2002 - 2003)
  • Suwon-shi, KR (2003 - 2005)
  • Suwon-si, KR (2007 - 2010)

Company Filing History:

goldMedal13 out of 131,214 
 
Samsung Electronics Co., Ltd.
 patents

Years Active: 2002-2010

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13 patents (USPTO):Explore Patents
1. 7656354 - Antenna apparatus for portable terminal (2010-02-02),
2. 7532166 - Antenna device for portable terminal (2009-05-12),
3. 7526083 - Ground connecting apparatus for mobile terminal (2009-04-28),
4. 7366479 - Mobile communication terminal having an external antenna (2008-04-29),
5. 7301499 - Built-in type antenna apparatus for portable terminal (2007-11-27),
6. 7280856 - Portable terminal having tuner for changing radiation pattern (2007-10-09),
7. 7158085 - Antenna apparatus for sliding-type portable terminal (2007-01-02),
8. 7158084 - Variable antenna apparatus for a mobile terminal (2007-01-02),
9. 6897825 - Antenna apparatus for folder type mobile phone (2005-05-24),
10. 6885346 - Built-in single band antenna device and operating method thereof in mobile terminal (2005-04-26),
11. 6662021 - Mobile communication system having multi-band antenna (2003-12-09),
12. 6593899 - Helical antenna structure in a mobile terminal (2003-07-15),
13. 6452556 - Built-in dual band antenna device and operating method thereof in a mobile terminal (2002-09-17),

Title: Innovations by Wan-Jin Choi

Introduction

Wan-Jin Choi is a prominent inventor based in Suwon-si, South Korea. He has made significant contributions to the field of antenna technology, holding a total of 13 patents. His work primarily focuses on developing innovative antenna apparatuses for portable terminals, which are essential in today's mobile communication landscape.

Latest Patents

Among his latest patents, Wan-Jin Choi has developed an "Antenna Apparatus for Portable Terminal." This invention includes radiation elements housed within the portable terminal, contact arms formed on the radiation elements, and feeding pads on a printed circuit board. The design ensures that the antenna apparatus meets the operational criteria for wide and multi-band functionalities. Another notable patent is the "Antenna Device for Portable Terminal," which features a first and second housing that can slide over each other. This device simplifies the structure and manufacturing process while maintaining effective performance.

Career Highlights

Wan-Jin Choi is currently employed at Samsung Electronics Co., Ltd., a leading global technology company. His work at Samsung has allowed him to push the boundaries of antenna technology, contributing to the advancement of mobile devices.

Collaborations

Throughout his career, Wan-Jin Choi has collaborated with talented individuals such as Dong-In Ha and Jung-Ho Park. These collaborations have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Wan-Jin Choi's contributions to antenna technology have significantly impacted the mobile communication industry. His innovative designs and patents continue to shape the future of portable terminals.

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