Haruzo Katoh

This inventor holds 11 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 3 EPO patents. Top assignees: Toyo Aluminium Kabushiki Kaisha, Toyo Aluminum Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1996-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruzo Katoh. Retrieved from https://idiyas.com/inventor/haruzo-katoh

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

USPTO Granted Patents = 11 (Patent Applications = 2)

% Patents Active = 72.7

CIPO Patents = 1

EPO Patents = 3 (Patent Applications = 2)

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 57(Granted Patents)

Location History:

Akashi, JP (1996 - 1999)
Osaka, JP (2000 - 2014)

Company Filing History:

8 out of 119

Toyo Aluminium Kabushiki Kaisha

patents

3 out of 22

Toyo Aluminum Kabushiki Kaisha

patents

2 out of 38,912

Toyota Jidosha Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1996-2014

Loading Chart...

11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8877100 - Paste composition and solar cell element using the same (2014-11-04),

2. 8197718 - Paste composition and solar cell element using the same (2012-06-12),

3. 7938988 - Paste composition and solar cell element using the same (2011-05-10),

4. 7879262 - Aluminum paste composition and solar cell element using the same (2011-02-01),

5. 7850789 - Pasty composition for aluminum brazing, aluminum-containing member coated with the same, and method for brazing aluminum-containing members with the same (2010-12-14),

6. 6409074 - Flux compositions for brazing aluminum, their films and brazing method (2002-06-25),

7. 6203628 - Flux compositions for brazing aluminum, their films and brazing method (2001-03-20),

8. 6074494 - Surface nitriding method of an aluminum material, and an auxiliary agent (2000-06-13),

9. 5989734 - Aluminum product having metal diffusion layer, process for producing the (1999-11-23),

10. 5494512 - Aluminum pigments (1996-02-27),

11. 5480481 - Aluminum pigments (1996-01-02),

Title: Haruzo Katoh: Innovator in Solar Cell Technology

Introduction

Haruzo Katoh is a prominent inventor based in Osaka, Japan, known for his significant contributions to solar cell technology. With a total of 11 patents to his name, Katoh has made remarkable advancements in the field of semiconductor materials and their applications in renewable energy.

Latest Patents

Among his latest patents, Katoh has developed a paste composition and solar cell element that utilizes this innovative material. The paste composition is designed for forming an electrode on a silicon semiconductor substrate, containing aluminum powder, an organic vehicle, and a hydroxide. This composition is particularly useful in solar cell elements, where the electrode is created by applying the paste on the silicon substrate and subsequently firing it. Another notable patent involves a paste composition that enhances the adhesive properties of a backside electrode, preventing the aluminum electrode layer from exfoliating. This composition also includes aluminum powder, an organic vehicle, and a tackifier, ensuring a robust solar cell element.

Career Highlights

Throughout his career, Haruzo Katoh has worked with notable companies, including Toyo Aluminium Kabushiki Kaisha. His work has focused on improving the efficiency and reliability of solar cell technologies, contributing to the advancement of renewable energy solutions.

Collaborations

Katoh has collaborated with esteemed colleagues such as Takashi Watsuji and Ken Matsumura, further enhancing his innovative projects and research in the field.

Conclusion

Haruzo Katoh's contributions to solar cell technology exemplify his dedication to innovation and sustainability. His patents reflect a commitment to advancing renewable energy solutions, making a significant impact in the industry.

Profile summary based on public USPTO records.