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For the Inventor, By the Inventor

Fukuoka, Japan

Hiroshi Tanaka

This inventor holds 10 USPTO granted patents. Top assignees: Yoshitomi Pharmaceutical Industries, Ltd., Toto Ltd.. Active years: 1990-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Tanaka. Retrieved from https://idiyas.com/inventor/hiroshi-tanaka-a3hwvnes

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 = 4.7

ph-index = 4

Forward Citations = 186(Granted Patents)


Location History:

  • Fukuoka, JP (1990 - 1997)
  • Kitakyushu, JP (1998 - 2000)

Company Filing History:

goldMedal7 out of 198 
 
Yoshitomi Pharmaceutical Industries, Ltd.
 patents
silverMedal3 out of 1,232 
 
Toto Ltd.
 patents

Years Active: 1990-2000

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10 patents (USPTO):Explore Patents
1. 6108826 - Adjustable trap for a toilet stool (2000-08-29),
2. 5819326 - Connecting apparatus for a toilet and a drainpipe (1998-10-13),
3. 5597918 - Fused pyridazine compound (1997-01-28),
4. 5466691 - Thiophene compound (1995-11-14),
5. 5329016 - Intermediates for the preparation of pharmaceutical thiophene compounds (1994-07-12),
6. 5224509 - Automatic faucet (1993-07-06),
7. 5175162 - Thiophene compounds and their pharmaceutical uses (1992-12-29),
8. 5153194 - Thienocycloheptapyridazine compounds and their pharmaceutical use (1992-10-06),
9. 5141930 - Fused thiophene compounds and uses thereof (1992-08-25),
10. 4937240 - Thienotriazolodiazepine compounds and pharmaceutical uses thereof (1990-06-26),

Title: The Innovative Mind of Hiroshi Tanaka

Introduction

Hiroshi Tanaka, an accomplished inventor based in Fukuoka, Japan, boasts a remarkable portfolio of 10 patents. His inventions reflect a commitment to enhancing the everyday experience, particularly in the realm of bathroom fixtures.

Latest Patents

Among his notable inventions, Tanaka has developed an "Adjustable Trap for a Toilet Stool," which introduces a modular toilet bowl assembly designed to allow adjustments in the dimensions of the inlet and outlet, as well as the height of the toilet bowl itself. This innovation aims to provide versatility without the need to alter the toilet bowl's structure. Additionally, he holds a patent for a "Connecting Apparatus for a Toilet and a Drainpipe," which further showcases his ingenuity in plumbing design.

Career Highlights

Throughout his career, Hiroshi Tanaka has made significant contributions to various companies, including Yoshitomi Pharmaceutical Industries, Ltd. and Toto Ltd. His work in these organizations has undoubtedly influenced the development of contemporary bathroom solutions.

Collaborations

In his journey as an inventor, Tanaka has collaborated with a team of skilled professionals. Notable colleagues include Tohru Nakao and Shuzo Takehara, whose combined expertise has fostered innovative breakthroughs in product design and engineering.

Conclusion

Hiroshi Tanaka’s inventive spirit continues to resonate through his patented creations. By focusing on user-centered design in bathroom fixtures, he has carved a niche for himself in the world of innovation, leaving a lasting impact on the industry.

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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