Otsu, Japan

Hiroshi Ishikawa

This inventor holds 25 USPTO granted patents, plus 3 CIPO patents and 2 EPO patents, primarily in Pharmaceutical Compounds. Top assignees: Otsuka Pharmaceutical Company, Limited, Honda Motor Co., Ltd., Otsuka Pharmaceutical Factory, Inc.. Active years: 1981-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Ishikawa. Retrieved from https://idiyas.com/inventor/hiroshi-ishikawa-p0mxdzyi

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

Calculating rank

% Patents Active = 88.0

 

 

Average Co-Inventor Count = 4.3

ph-index = 7

Forward Citations = 202(Granted Patents)


Location History:

  • Tokushima, JP (1981 - 1985)
  • Shiga, JP (1993)
  • Otsu, JP (1986 - 2012)
  • Tochigi, JP (2017 - 2020)
  • Tochigi-ken, JP (2021)

Company Filing History:


Years Active: 1981-2025

Loading Chart...
Loading Chart...
Loading Chart...
Areas of Expertise:
Air Circulator
Thermal Caulking Device
Impeller Manufacturing
Aqueous Solution
Olanexidine
Biguanide Derivatives
Isocephem Derivatives
Pyrroloquinoline
Antimicrobial Composition
Pharmaceutical Composition
Disinfectants
Beta-Lactam Compounds
25 patents (USPTO):Explore Patents

Title: Hiroshi Ishikawa: Innovator Behind Advanced Thermal Caulking Technologies

Introduction

Hiroshi Ishikawa, an inventive mind hailing from Tochigi, Japan, has made significant contributions to the field of thermal caulking technology. With six patents to his name, his innovations have paved the way for advancements in various manufacturing processes, especially in the automotive industry.

Latest Patents

Among Ishikawa's noteworthy inventions are two significant patents: the heat-caulking device and the thermal caulking method. The heat-caulking device is designed for insertion into one or more holes penetrating a main plate containing a conical hollow portion. This innovative device employs a blade with bosses that melt to join the main plate, ensuring a robust connection. The thermal caulking method enhances this process by allowing multiple bosses of a second member to be melted simultaneously, thereby simplifying the assembly of components.

Career Highlights

Ishikawa’s career has been marked by his association with Honda Motor Co., Ltd., where he has played a vital role in developing technologies that enhance manufacturing efficiency. His focus on thermal caulking methods has not only contributed to product durability but also supported the company's commitment to innovation.

Collaborations

In his professional journey, Ishikawa has collaborated with fellow inventors and colleagues, including Yoshinori Tsurugai and Shigeto Akahori. These partnerships have led to the enhancement and refinement of his inventions, driving advancements within the company and the industry at large.

Conclusion

Hiroshi Ishikawa stands out as a key inventor whose contributions to thermal caulking technology continue to impact manufacturing processes. His innovative spirit and commitment to advancement reflect the essence of modern engineering, making him a notable figure in the field of inventions and patents.

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…