logo

For the Inventor, By the Inventor

Kumamoto, Japan

Chuichi Hirayama

This inventor holds 7 USPTO granted patents, plus 1 CIPO patent. Top assignees: Chemo-Sero-Therapeutic Research Institute, Mitsui Toatus Chemical, Inc., Ajinomoto Co., Ltd.. Active years: 1989-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chuichi Hirayama. Retrieved from https://idiyas.com/inventor/chuichi-hirayama

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 = 3.4

ph-index = 4

Forward Citations = 30(Granted Patents)


Location History:

  • Kumamoto-Shi, Kumamoto, JP (1990)
  • Kumamoto, JP (1991 - 1995)
  • Shimonabe-machi, Kumamoto-shi, Kumamoto-ken, JP (1989 - 1996)

Company Filing History:

goldMedal3 out of 151 
 
Chemo-Sero-Therapeutic Research Institute
 patents
silverMedal2 out of 2 
 
Mitsui Toatus Chemical, Inc.
 patents
bronzeMedal1 out of 1,953 
 
Ajinomoto Co., Ltd.
 patents
4. 1 out of 60 
 
Kohjin Co., Ltd.
 patents
5. 1 out of 321 
 
Kurita Water Industries Ltd.
 patents
6. 1 out of 2 
 
Shinkohjinkasei Co., Ltd.
 patents
7. 5 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-1996

Loading Chart...
Loading Chart...
7 patents (USPTO):Explore Patents
1. 5498409 - Material for adsorbing pyrogen (1996-03-12),
2. 5401499 - Method of adsorbing pyrogens (1995-03-28),
3. 5279821 - Pyrogen adsorbent containing amide groups (1994-01-18),
4. 5059542 - Artificial carrier particles and method for preparation thereof (1991-10-22),
5. 4975542 - Method for preparing granular porous chitosan (1990-12-04),
6. 4948816 - Spherical grains of polyamino acid and production method thereof (1990-08-14),
7. 4840975 - Spherical grains of polyamino acid and production method thereof (1989-06-20),

Title: The Innovative Contributions of Chuichi Hirayama

Introduction

Chuichi Hirayama is a notable inventor based in Kumamoto-ken, Japan. He has made significant contributions to the field of medicine through his innovative patents. With a total of 7 patents, Hirayama's work focuses on materials that enhance the preparation of medicines.

Latest Patents

Hirayama's latest patents include a material for adsorbing pyrogens and a method of adsorbing pyrogens. The first patent describes an insoluble material for adsorbing pyrogens, which comprises a polymer of an aziridine compound. This invention allows for the easy removal of a large amount of pyrogen from a solution, facilitating the preparation of medicines. The second patent reiterates the same concept, emphasizing the efficiency of the adsorbing material in medicine preparation.

Career Highlights

Throughout his career, Hirayama has worked with various organizations, including the Juridical Foundation Chemo-Sero-Therapeutic Research Institute. His contributions have been pivotal in advancing the field of therapeutic research.

Collaborations

Hirayama has collaborated with notable coworkers such as Hirotaka Ihara and Keijun Hiraoka. Their combined efforts have furthered the development of innovative solutions in the medical field.

Conclusion

Chuichi Hirayama's inventive spirit and dedication to improving medical preparations through his patents have made a lasting impact. His work continues to inspire advancements in therapeutic research and innovation.

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…