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For the Inventor, By the Inventor

Kusatsu, Japan

Hajime Murakami

This inventor holds 13 USPTO granted patents. Top assignees: Ishihara Sangyo Kaisha, Ltd., Dainippon Screen Mfg. Co., Ltd., Noritsu Koki Co., Ltd.. Active years: 1979-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Murakami. Retrieved from https://idiyas.com/inventor/hajime-murakami-8r336fgk

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 92.3

Average Co-Inventor Count = 3.1

ph-index = 6

Forward Citations = 195(Granted Patents)


Location History:

  • Moriyama, JP (1981)
  • Shigaken, JP (1987)
  • Otsu, JP (1992)
  • Kusatu, JP (1995)
  • Kusatsu, JP (1979 - 2002)

Company Filing History:

goldMedal11 out of 394 
 
Ishihara Sangyo Kaisha, Ltd.
 patents
silverMedal2 out of 1,306 
 
Dainippon Screen Mfg. Co., Ltd.
 patents
bronzeMedal2 out of 439 
 
Noritsu Koki Co., Ltd.
 patents
4. 3 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1979-2002

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13 patents (USPTO):Explore Patents
1. 6498000 - Photocatalyst composite and process for producing the same (2002-12-24),
2. 6277346 - Photocatalyst composite and process for producing the same (2001-08-21),
3. 5547823 - Photocatalyst composite and process for producing the same (1996-08-20),
4. 5449579 - Colored metal plate and process for manufacturing same (1995-09-12),
5. 5304442 - Method for electrophotographic image formation (1994-04-19),
6. 5194878 - Color electrophotographic method (1993-03-16),
7. 5147686 - Method of making titanium oxide powder having antimicrobial metal (1992-09-15),
8. 4908667 - Electrophotographic copying apparatus (1990-03-13),
9. 4811057 - Light source assembly for use with an electrophotographic copying (1989-03-07),
10. 4682881 - Apparatus for producing an electrophotographic print (1987-07-28),
11. 4663257 - Method of color electrophotography (1987-05-05),
12. 4270485 - Liquid developing apparatus (1981-06-02),
13. 4150986 - Doped TiO.sub.2 electrophotographic photosensitive materials (1979-04-24),

Title: Hajime Murakami: Innovator in Photocatalyst Technology

Introduction

Hajime Murakami is a prominent inventor based in Kusatsu, Japan. He has made significant contributions to the field of photocatalysis, holding a total of 13 patents. His work focuses on developing advanced materials and processes that enhance the efficiency of photocatalytic applications.

Latest Patents

One of his latest patents is a photocatalyst composite and the process for producing the same. This innovative composite includes a substrate with particles of a photocatalyst, such as titanium oxide, adhered using a less degradative adhesive. The adhesive can be a fluorinated polymer, which comprises a copolymer of a vinyl ester and/or vinyl ether and a fluoroolefin, or a silicon-based polymer or cement. Additionally, the patent outlines a process for producing the photocatalyst composite and a coating composition that incorporates this composite.

Career Highlights

Throughout his career, Hajime Murakami has worked with notable companies, including Ishihara Sangyo Kaisha, Ltd. His expertise in photocatalysis has positioned him as a key figure in the development of innovative materials that have practical applications in various industries.

Collaborations

Hajime has collaborated with several professionals in his field, including Sadao Murasawa and Yasuro Fukui. These collaborations have contributed to the advancement of photocatalytic technologies and have fostered a spirit of innovation in their projects.

Conclusion

Hajime Murakami's contributions to photocatalyst technology exemplify the impact of innovative thinking in addressing modern challenges. His patents and collaborations continue to influence the field, paving the way for future advancements in photocatalytic applications.

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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