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For the Inventor, By the Inventor

Matsusaka, Japan

Tokio Tsukada

This inventor holds 13 USPTO granted patents. Top assignee: Central Glass Company, Limited. Active years: 1989-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tokio Tsukada. Retrieved from https://idiyas.com/inventor/tokio-tsukada

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 8

Forward Citations = 219(Granted Patents)


Company Filing History:

goldMedal13 out of 1,010 
 
Central Glass Company, Limited
 patents

Years Active: 1989-1995

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13 patents (USPTO):Explore Patents
1. 5416491 - Automotive window glass antenna (1995-05-16),
2. 5353039 - Vehicle rear window glass antenna for transmission and reception of (1994-10-04),
3. 5334989 - Automotive window glass antenna (1994-08-02),
4. 5239303 - Wide-band antenna on vehicle rear window glass (1993-08-24),
5. 5220336 - Vehicle window glass antenna for transmission and reception of (1993-06-15),
6. 5185612 - Antenna on vehicle rear window glass (1993-02-09),
7. 5128685 - Wide-band antenna on vehicle roof glass (1992-07-07),
8. 5101212 - Wide-band antenna on vehicle rear window glass (1992-03-31),
9. 5095314 - Vehicle roof glass antenna for reception of FM radio and TV broadcasting (1992-03-10),
10. 4967202 - Vehicle window glass antenna suited to reception of FM radio and TV (1990-10-30),
11. 4954797 - Vehicle window glass antenna coupled with defogging heater (1990-09-04),
12. 4849766 - Vehicle window glass antenna using transparent conductive film (1989-07-18),
13. 4803492 - Vehicle window glass antenna (1989-02-07),

Title: **Innovator Spotlight: Tokio Tsukada**

Introduction

Tokio Tsukada, an inventive mind based in Matsusaka, Japan, has made significant contributions to the field of automotive technology. With a remarkable portfolio of 13 patents, Tsukada has demonstrated his expertise in developing innovative solutions that enhance vehicle functionality, particularly in the realm of antenna technology.

Latest Patents

Among his most recent inventions is the "Automotive Window Glass Antenna." This innovative antenna is ingeniously attached to the rear window glass of an automobile, strategically positioned in the space between the defogging heater element and the lower edge of the window glass. The design involves a set of horizontal conductive strips, effectively forming a rectangular loop to optimize performance. Another notable invention is the "Vehicle Rear Window Glass Antenna for Transmission and Reception." This invention utilizes a space left below defogging heater strips to create an antenna capable of transmitting and receiving ultrashort waves for mobile phones and personal radios. It strategically combines both primary and secondary antenna sections to enhance connectivity.

Career Highlights

Tokio Tsukada is a prominent innovator at Central Glass Company, Limited, where he has dedicated his efforts to advancing automotive technologies. His work exemplifies a blend of creativity and technical skill, leading to substantial developments that contribute to improved communication and entertainment systems within vehicles.

Collaborations

Tsukada has collaborated with talented coworkers, including Kazuya Nishikawa and Masao Shinnai. Together, they have fostered a dynamic environment that encourages innovation and the successful execution of complex projects.

Conclusion

In conclusion, Tokio Tsukada stands out as a significant contributor to automotive antenna technology. Through his pioneering inventions and collaborations at Central Glass Company, Limited, he continues to push the boundaries of innovation, making a lasting impact in his 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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