IDiyas

For the Inventor, By the Inventor

Tokyo, Japan

Shinji Arai

USPTO Granted Patents = 11

Average Co-Inventor Count = 4.2

ph-index = 6

Forward Citations = 91(Granted Patents)


Location History:

  • Kanagawa-ken, JP (1996)
  • Chigasaki, JP (1989 - 1998)
  • Chiyoda-ku, JP (2018 - 2020)
  • Tokyo, JP (2002 - 2021)

Company Filing History:

goldMedal7 out of 52,711 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal3 out of 15,844 
 
Mitsubishi Electric Corporation
 patents
bronzeMedal1 out of 13 
 
Mitsubishi Electric Corpotation
 patents

Years Active: 1989-2024

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11 patents (USPTO):
1. 12160217 - High frequency filter (2024-12-03),
2. 11101530 - Polarization separation circuit (2021-08-24),
3. 10680307 - Waveguide to strip line transducer including a waveguide wall forming substrate having an end surface bonded to a second conductor, and a power feed circuit formed therefrom (2020-06-09),
4. 10027031 - Horn antenna device (2018-07-17),
5. 6651870 - Solder alloy, substrate with solder alloy for mounting electronic part, member to be bonded of electronic part, and electronic-part-mounted substrate (2003-11-25),
6. 6457632 - Solder alloy and bonding method of substrate and electric or electronic parts with solder alloy (2002-10-01),
7. 5773168 - Nonaqueous electrolyte secondary battery and method for manufacturing (1998-06-30),
8. 5579534 - Heat-resistant member (1996-11-26),
9. 4922462 - Reversible memory structure for optical reading and writing and which is (1990-05-01),
10. 4855992 - Reversible optical recording medium with an optothermally deformable (1989-08-08),
11. 4839861 - Information recording medium rewritable by utilizing two metastable (1989-06-13),

Title: Celebrating the Innovations of Inventor Shinji Arai

Introduction: Shinji Arai is a prominent inventor based in Tokyo, Japan, known for his remarkable contributions to the field of electrical engineering. With an impressive portfolio of 11 patents, Arai has made significant advancements in high-frequency technologies, showcasing his expertise and innovative thinking.

Latest Patents: Among his latest inventions, Arai developed a high-frequency filter that features a multilayer substrate comprising three substrates with lands, enhancing the performance of filtering signals. This design includes a columnar conductor connected to these lands and surrounding columnar conductors linked to the ground planes, effectively managing the electrical characteristics at the cutoff frequency.

Another notable patent is the polarization separation circuit, which utilizes a square waveguide with ridges and rectangular waveguide terminals to efficiently separate different polarization states of incoming signals. This intricate design incorporates a septum phase plate that progressively narrows, optimizing signal handling and performance.

Career Highlights: Arai's illustrious career includes collaborations with some of Japan’s leading companies. He has worked at Toshiba and Mitsubishi Electric Corporation, where he contributed to the development of groundbreaking technologies that have impacted various industries.

Collaborations: Throughout his career, Arai has collaborated closely with notable colleagues, including Sumio Ikegawa and Shuichi Komatsu, both of whom have also made significant contributions to the field of electrical engineering. Their collective expertise has fostered an environment of innovation and advancement.

Conclusion: Shinji Arai stands out as a distinguished inventor whose work in high-frequency technologies has furthered our understanding and application of electrical engineering principles. His dedication to innovation continues to inspire future generations of inventors and engineers alike.

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