Company Filing History:

13 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

2 out of 16,453

Panasonic Corporation

patents

Years Active: 1980-2010

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7843394 - Radio antenna unit and mobile radio device equipped with the same (2010-11-30),

2. 7777688 - Polarization switching antenna device (2010-08-17),

3. 7436364 - Mobile radio apparatus (2008-10-14),

4. 7227509 - Antenna device (2007-06-05),

5. 6765846 - Antenna apparatus and wristwatch radio communication device using same (2004-07-20),

6. 6683578 - Built-in antenna of portable radio apparatus (2004-01-27),

7. 6573874 - Antenna and radio device (2003-06-03),

8. 6501436 - Antenna apparatus and wireless apparatus and radio relaying apparatus using the same (2002-12-31),

9. 6452558 - Antenna apparatus and a portable wireless communication apparatus (2002-09-17),

10. 6441692 - PLL frequency synthesizer (2002-08-27),

11. 6421530 - Radio circuit having a local oscillator frequency which differs from the transmit frequency or the receive frequency and mobile radio apparatus (2002-07-16),

12. 5901345 - Transmitter of wireless system and high frequency power amplifier used (1999-05-04),

13. 5770970 - Transmitter of wireless system and high frequency power amplifier used (1998-06-23),

14. 4246539 - Frequency synthesizing system for AM.multidot.SSB transceiver (1981-01-20),

15. 4225828 - PLL Synthesizer (1980-09-30),

Title: Hiroshi Haruki: Innovator in Radio Technology

Introduction

Hiroshi Haruki is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of radio technology, holding a total of 15 patents. His work focuses on enhancing the functionality and efficiency of radio devices through innovative antenna designs.

Latest Patents

Among his latest patents are the "Radio antenna unit and mobile radio device equipped with the same" and the "Polarization switching antenna device." The first patent describes a multi-band antenna that utilizes a common antenna element with a simple configuration. This design includes a ground conductor plate, first and second radio circuits for different frequency bands, and feeding lines that facilitate high-frequency power input. The second patent introduces a polarization switching antenna device that allows for the switching of polarization without requiring additional installation space. This device can handle various frequency bands and features a loop antenna element that can be configured for balanced or unbalanced feeding.

Career Highlights

Hiroshi Haruki has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has contributed to his expertise in radio technology and antenna design.

Collaborations

Hiroshi has collaborated with several talented individuals in his field, including Yutaka Saito and Hiroaki Kosugi. These collaborations have likely enriched his work and led to innovative advancements in radio technology.

Conclusion

Hiroshi Haruki's contributions to radio technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of efficient and versatile radio devices.

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1 patent (CIPO):

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.