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For the Inventor, By the Inventor

Tokyo, Japan

Takeshi Oshima

This inventor holds 25 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Waveguide Technology. Top assignees: Sankyo Company, Limited, Mitsubishi Electric Corporation, Mitsubishi Denki Kabushiki Kaisha. Active years: 1988-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Oshima. Retrieved from https://idiyas.com/inventor/takeshi-oshima

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 25 

% Patents Active = 92.0

 

Average Co-Inventor Count = 4.2

ph-index = 4

Forward Citations = 59(Granted Patents)


Location History:

  • Hiromachi, JP (1994 - 1995)
  • Chiyoda-ku, JP (2020)
  • Tokyo, JP (1988 - 2021)

Company Filing History:

goldMedal14 out of 613 
 
Sankyo Company, Limited
 patents
silverMedal9 out of 16,602 
 
Mitsubishi Electric Corporation
 patents
bronzeMedal1 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
4. 1 out of 13 
 
Mitsubishi Electric Corpotation
 patents

Years Active: 1988-2026

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Areas of Expertise:
Non-Reciprocal Circuit
Heating Device
Waveguide Terminator
Hollow-Waveguide Transition
Coaxial-Waveguide Transition
Multiband Filter
Inter-Board Connection
Dual-Frequency Matching
Platelet Activating Factor
Thiazolidinecarboxylic Acid
Prostaglandin Derivatives
Imidazole Derivatives
25 patents (USPTO):Explore Patents
1. 12609430 - Non-reciprocal circuit (2026-04-21),
2. 12225653 - Heating device (2025-02-11),
3. 11114732 - Waveguide non-reflective terminator and waveguide circuit (2021-09-07),
4. 11069949 - Hollow-waveguide-to-planar-waveguide transition circuit comprising a coupling conductor disposed over slots in a ground conductor (2021-07-20),
5. 10992018 - Coaxial-waveguide-to-hollow- waveguide transition circuit (2021-04-27),
6. 10813212 - Multiband filter (2020-10-20),
7. 10811753 - Hollow-waveguide-to-planar-waveguide transition including a coupling conductor having one or more conductors branching therefrom (2020-10-20),
8. 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),
9. 10673117 - Waveguide circuit (2020-06-02),
10. 10588215 - Inter-board connection structure (2020-03-10),
11. 6331815 - Dual-frequency matching circuit (2001-12-18),
12. 5559109 - Method of treating a PAF-mediated pathology or for treating or (1996-09-24),
13. 5556852 - N-acryloylpiperazine compounds (1996-09-17),
14. 5470851 - Thiazolidinecarboxylic acid amide derivatives and their therapeutic uses (1995-11-28),
15. 5369106 - N-acryloylpiperazine derivatives, their preparation and their use of PAF (1994-11-29),

Certainly! Here is the article about inventor Takeshi Oshima:

Title: Pushing Boundaries: The Visionary Innovations of Takeshi Oshima

Introduction: Takeshi Oshima, a renowned inventor based in Tokyo, Japan, has dedicated his career to pushing the boundaries of what is possible through his groundbreaking inventions. With a total of 23 patents to his name, Takeshi Oshima is a true visionary in the world of technology and innovation.

Latest Patents:

1. Waveguide Non-Reflective Terminator and Waveguide Circuit: Takeshi Oshima's latest patents include a waveguide unit closed at one end by a short circuit plane, designed to absorb frequency signals without reflection. This innovation showcases his mastery in waveguide technology.

2. Hollow-Waveguide-to-Planar-Waveguide Transition Circuit: Another recent patent by Oshima features a transition circuit combining hollow and planar waveguides, demonstrating his expertise in seamless signal transmission.

Career Highlights: Takeshi Oshima's illustrious career includes tenure at esteemed companies such as Sankyo Company, Limited and Mitsubishi Electric Corporation. His contributions have significantly impacted the field of technology, earning him a reputation as a pioneer in his domain.

Collaborations: Throughout his career, Takeshi Oshima has collaborated with talented individuals such as Norio Nakamura and Yasuteru Iijima. These partnerships have led to the development of innovative solutions and advanced technologies that have shaped the industry.

Conclusion: Takeshi Oshima's relentless dedication to innovation and collaboration has cemented his legacy as a true visionary in the world of technology. His inventive spirit and forward-thinking approach continue to inspire generations of inventors and pave the way for future breakthroughs in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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