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For the Inventor, By the Inventor

Okayama, Japan

Koji Sako

USPTO Granted Patents = 14

Average Co-Inventor Count = 2.9

ph-index = 6

Forward Citations = 211(Granted Patents)


Location History:

  • Okayama-ken, JP (1999)
  • Katsuta-gun, JP (1998 - 2005)
  • Okayama, JP (1999 - 2007)

Company Filing History:

goldMedal14 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1998-2007

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14 patents (USPTO):Explore Patents
1. 7180453 - Antenna for portable cellular telephone (2007-02-20),
2. 6906275 - Movable contact unit, panel switch using the same and electronic equipment having the panel switch (2005-06-14),
3. 6842142 - Antenna and communication equipment incorporating the antenna (2005-01-11),
4. 6610950 - Push switch (2003-08-26),
5. 6608273 - Push switch (2003-08-19),
6. 6518527 - Push switch having reduced size (2003-02-11),
7. 6489580 - Push-on switch, electronic apparatus using the same and method for mounting the switch (2002-12-03),
8. 6369777 - Antenna device and method for manufacturing the same (2002-04-09),
9. 6333477 - Switch having improved contact performance (2001-12-25),
10. 6147661 - Helical coil, method of producing same and helical antenna using same (2000-11-14),
11. 5986228 - Movable contact unit for panel switch and panel switch using the same (1999-11-16),
12. 5924555 - Panel switch movable contact body and panel switch using the movable (1999-07-20),
13. 5895901 - Long-stroke push-on switch with reduced height (1999-04-20),
14. 5845766 - Movable contact element for panel switch and method of manufacturing (1998-12-08),

Title: Koji Sako: Innovator in Antenna Technology

Introduction

Koji Sako is a prominent inventor based in Okayama, Japan. He has made significant contributions to the field of antenna technology, holding a total of 14 patents. His work has been instrumental in advancing the efficiency and functionality of portable communication devices.

Latest Patents

One of his latest patents is for an antenna designed for portable cellular telephones. This innovative antenna allows for the efficient and independent adjustment of multiple antenna elements to a predetermined resonance frequency. The design features a first and second antenna element mounted on a common base, with terminals for feeding power to each element. This structure facilitates the separate and efficient adjustment of resonance frequencies, enhancing the performance of cellular devices.

Another notable patent involves a movable contact unit and a panel switch. This unit includes movable contacts that are localized in respective through holes of a flexible insulation substrate. A cover sheet is bonded to the base sheet to hold the movable contacts in place. The design incorporates a weak adhesive layer that allows for easy bonding to a stationary contact substrate, ensuring reliable operation in electronic equipment.

Career Highlights

Koji Sako is currently employed at Matsushita Electric Industrial Co., Ltd., a company known for its innovative electronic products. His work at Matsushita has allowed him to collaborate with other talented engineers and inventors, further enhancing his contributions to the field.

Collaborations

Some of his notable coworkers include Hisashi Watanabe and Hiromichi Koyama. Their collaborative efforts have led to advancements in various technologies, particularly in the realm of communication devices.

Conclusion

Koji Sako's innovative work in antenna technology and his contributions to portable communication devices have established him as a key figure in the field. His patents reflect a commitment to enhancing the efficiency and functionality of modern technology.

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