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For the Inventor, By the Inventor

Matsusaka, Japan

Tohru Hirotsu

This inventor holds 10 USPTO granted patents. Top assignee: Central Glass Company, Limited. Active years: 1990-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Hirotsu. Retrieved from https://idiyas.com/inventor/tohru-hirotsu

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 6

Forward Citations = 96(Granted Patents)


Location History:

  • Mie, JP (1993)
  • Matsusaka, JP (1990 - 1995)

Company Filing History:

goldMedal10 out of 1,010 
 
Central Glass Company, Limited
 patents

Years Active: 1990-1995

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10 patents (USPTO):Explore Patents
1. 5479179 - Structure for connecting window glass antenna with feeder (1995-12-26),
2. 5416491 - Automotive window glass antenna (1995-05-16),
3. 5268700 - Structure for connecting window glass antenna with feeder (1993-12-07),
4. 5239303 - Wide-band antenna on vehicle rear window glass (1993-08-24),
5. 5229780 - Wide-band antenna on vehicle rear window glass (1993-07-20),
6. 5220336 - Vehicle window glass antenna for transmission and reception of (1993-06-15),
7. 5101212 - Wide-band antenna on vehicle rear window glass (1992-03-31),
8. 5095314 - Vehicle roof glass antenna for reception of FM radio and TV broadcasting (1992-03-10),
9. 4967202 - Vehicle window glass antenna suited to reception of FM radio and TV (1990-10-30),
10. 4954797 - Vehicle window glass antenna coupled with defogging heater (1990-09-04),

Title: Inventor Tohru Hirotsu - Innovating Window Glass Antennas

Introduction

Tohru Hirotsu is a prominent inventor based in Matsusaka, Japan, known for his significant contributions to antenna technology. With a portfolio of 10 patents, Hirotsu has demonstrated his dedication to innovation within his field, particularly focusing on designs that enhance communication through window glass.

Latest Patents

Hirotsu's recent inventions include a groundbreaking structure for connecting window glass antennas with feeders. This innovative antenna design allows for the transmission and reception of ultrashort waves using a primary antenna linked to a secondary antenna through a coaxial cable feeder. The structure features terminals and holding portions that facilitate easy soldering and maintenance, ensuring efficient connectivity.

Another notable patent involves an automotive window glass antenna designed specifically for integration within the rear window of vehicles. This invention employs horizontal conductive strips and a unique layout that enhances the antenna's performance while remaining unobtrusive to the vehicle's aesthetics and functionality.

Career Highlights

Tohru Hirotsu has developed his career at Central Glass Company, Limited, where he has made a substantial impact through his innovative solutions. His expertise in antenna technology has positioned him as an invaluable asset to the company and has advanced the field significantly.

Collaborations

Throughout his career, Hirotsu has collaborated with fellow innovators such as Tokio Tsukada and Kazuya Nishikawa. These partnerships have fostered a creative environment conducive to the development of cutting-edge technologies, enabling a collective approach to solving complex engineering challenges.

Conclusion

Tohru Hirotsu's contributions to the field of antenna technology, particularly through his inventions related to window glass, exemplify the power of innovation in enhancing communication systems. His continued work at Central Glass Company, Limited, combined with valuable collaborations, promises further advancements in this vital area of technology.

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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