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For the Inventor, By the Inventor

Kamakura, Japan

Hiroshi Miyakawa

This inventor holds 13 USPTO granted patents, plus 2 CIPO patents and 1 EPO patent. Top assignees: Morinaga Milk Industry Co., Ltd., Toray Industries, Inc., Other. Active years: 1991-2015.

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

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

USPTO Granted Patents = 13

% Patents Active = 84.6



Average Co-Inventor Count = 6.1

ph-index = 6

Forward Citations = 75(Granted Patents)


Location History:

  • Kamakura, JP (1991 - 1995)
  • Kanagawa, JP (1999 - 2002)
  • Zama, JP (2005 - 2006)
  • Kawasaki, JP (2015)

Company Filing History:

goldMedal11 out of 185 
 
Morinaga Milk Industry Co., Ltd.
 patents
silverMedal1 out of 3,578 
 
Toray Industries, Inc.
 patents
bronzeMedal1 out of 834,453 
Other
 patents

Years Active: 1991-2015

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13 patents (USPTO):Explore Patents
1. 9051335 - Antipruritic agent for pruritus caused by multiple sclerosis (2015-06-09),
2. 7022676 - Peptide having angiotensin converting enzyme inhibitory effect (2006-04-04),
3. 6908633 - Protein hydrolyzates, process for producing the same and drinks and foods containing the protein hydrolyzates (2005-06-21),
4. 6395508 - Peptide mixture and products thereof (2002-05-28),
5. 6299928 - Fine granular feeds for fry (2001-10-09),
6. 5952193 - Peptide mixture and products thereof (1999-09-14),
7. 5389611 - Lactoferrin hydrolyzate for use as an antibacterial agent and as a (1995-02-14),
8. 5340924 - Method for heat treatment of lactoferrin without losing physiological (1994-08-23),
9. 5322836 - Bioactive agents, compositions and materials comprising said bioactive (1994-06-21),
10. 5296464 - Bioactive agents and compositions for materials comprising the bioactive (1994-03-22),
11. 5219838 - Method for inhibiting tyrosinase activity in treatment of skin (1993-06-15),
12. 5214028 - Lactoferrin hydrolyzate for use as an antibacterial agent and as a (1993-05-25),
13. 4985246 - Composition of feedstuff (1991-01-15),

Title: Hiroshi Miyakawa: Innovator in Antipruritic Agents and Peptide Research

Introduction

Hiroshi Miyakawa is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of antipruritic agents and peptides. With a total of 13 patents to his name, Miyakawa's work has had a meaningful impact on medical treatments.

Latest Patents

Miyakawa's latest patents include an innovative antipruritic agent designed to alleviate pruritus caused by multiple sclerosis. This agent comprises a κ-opioid receptor agonist compound featuring a 4,5-epoxymorphinan skeleton with a specific chemical structure. Another significant patent involves a peptide, Met-Lys-Pro, which is synthesized from casein and serves as an active ingredient in angiotensin-converting enzyme inhibitors or hypotensive drugs.

Career Highlights

Throughout his career, Miyakawa has worked with various companies, including Morinaga Milk Industry Co., Ltd. His expertise in pharmaceutical research has led to advancements in treatments that address specific medical conditions.

Collaborations

Miyakawa has collaborated with notable colleagues such as Hitoshi Saito and Seiichi Shimamura. These partnerships have contributed to the successful development of his patented innovations.

Conclusion

Hiroshi Miyakawa's contributions to the field of pharmaceuticals through his patents and collaborations highlight his role as an influential inventor. His work continues to pave the way for advancements in medical treatments.

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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