logo

For the Inventor, By the Inventor

Kitakyushu, Japan

Hirotaka Ishibashi

This inventor holds 7 USPTO granted patents and 2 published patent applications. Top assignee: Toto Ltd.. Active years: 1997-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Ishibashi. Retrieved from https://idiyas.com/inventor/hirotaka-ishibashi

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

USPTO Granted Patents = 7 

% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 4

Forward Citations = 46(Granted Patents)


Location History:

  • Fukuoka, JP (1997 - 1999)
  • Kitakyushu, JP (2002 - 2004)

Company Filing History:

goldMedal7 out of 1,232 
 
Toto Ltd.
 patents

Years Active: 1997-2004

Loading Chart...
7 patents (USPTO):Explore Patents
1. 6699606 - Sanitary ware and process for producing the same (2004-03-02),
2. 6548162 - Sanitary ware and process for producing the same (2003-04-15),
3. 6514622 - Sanitary earthen products (2003-02-04),
4. 6354901 - Discharge lamp, discharge lamp sealing method, discharge lamp sealing device (2002-03-12),
5. 5972067 - Gradient function material seal cap for discharge lamp bulb (1999-10-26),
6. 5943546 - Gradient function material (1999-08-24),
7. 5653924 - Methods of manufacturing gradient function material (1997-08-05),

Title: Hirotaka Ishibashi: Innovator in Sanitary Ware Technology

Introduction

Hirotaka Ishibashi is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of sanitary ware, holding a total of 7 patents. His innovative designs focus on enhancing the functionality and aesthetics of sanitary products.

Latest Patents

Ishibashi's latest patents include advancements in sanitary ware that feature a surface glaze layer with a center line average roughness Ra of less than 0.07 µm. This design minimizes the likelihood of stains and soils adhering to the surface, making it easier to clean with just a weak water stream. Additionally, his patents describe sanitary wares that possess excellent gloss and are free from silica particles larger than 10 µm, further enhancing their durability and appearance.

Career Highlights

Ishibashi is associated with Toto Ltd., a leading company in the sanitary ware industry. His work has not only improved product quality but has also set new standards in the market. His innovative approach has garnered attention and respect within the industry.

Collaborations

Throughout his career, Ishibashi has collaborated with notable colleagues such as Koichi Hayashi and Makoto Hayakawa. These partnerships have contributed to the development of cutting-edge technologies in sanitary ware.

Conclusion

Hirotaka Ishibashi's contributions to sanitary ware technology exemplify his commitment to innovation and quality. His patents reflect a deep understanding of material science and user needs, making him a key figure in 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]
Loading…