Hiroaki Kakinuma

This inventor holds 11 USPTO granted patents and 2 published patent applications and 3 EPO patents. Top assignees: Oki Electric Industry Co., Ltd., Gc Corporation. Active years: 1985-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Kakinuma. Retrieved from https://idiyas.com/inventor/hiroaki-kakinuma

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 = 90.9

EPO Patents = 3 (Patent Applications = 6)

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 66(Granted Patents)

Company Filing History:

7 out of 4,980

Oki Electric Industry Co., Ltd.

Years Active: 1985-2025

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12478561 - Dental composition and dental restorative kit (2025-11-25),

2. 11571368 - Dental polymerizable composition (2023-02-07),

3. 11413222 - Dental polymerizable composition (2022-08-16),

4. 10561584 - Dental adhesive agent and method of manufacturing thereof (2020-02-18),

5. 6894267 - Photodetector device having stacked structure with improved response rate (2005-05-17),

6. 6858886 - Optical semiconductor device and method of fabricating the same (2005-02-22),

7. 4887166 - Direct-contact-type image sensor (1989-12-12),

8. 4811069 - Photoelectric conversion device (1989-03-07),

9. 4664999 - Method of making electrophotographic member with a-Si photoconductive (1987-05-12),

10. 4631198 - Method of manufacturing thin amorphous silicon film (1986-12-23),

11. 4533564 - Method of manufacturing an electrophotographic photoreceptor (1985-08-06),

Title: Hiroaki Kakinuma: Innovator in Dental Compositions

Introduction

Hiroaki Kakinuma is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of dental materials, holding a total of 11 patents. His innovative work focuses on developing advanced dental compositions that enhance restorative practices.

Latest Patents

Among his latest patents are a dental composition and a dental restorative kit. One aspect of the dental composition is a single-component formulation that includes a (meth)acrylate, a photopolymerization initiator, a thiourea derivative, a water miscible organic solvent, and water. Notably, the photopolymerization initiator contains a diaryliodonium salt. Additionally, he has developed a dental polymerizable composition that consists of a first component containing a (meth)acrylate, a pentavalent vanadium compound, and a thiourea derivative, along with a second component that includes a (meth)acrylate and an organic peroxide.

Career Highlights

Hiroaki Kakinuma has worked with notable companies such as Oki Electric Industry Co., Ltd. and Gc Corporation. His experience in these organizations has allowed him to refine his expertise in dental innovations and contribute to the advancement of dental technology.

Collaborations

Throughout his career, Kakinuma has collaborated with esteemed colleagues, including Tsukasa Watanabe and Satoshi Nishikawa. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Hiroaki Kakinuma's contributions to dental compositions and restorative practices have made a significant impact in the field. His innovative patents and collaborations highlight his dedication to advancing dental technology.

Profile summary based on public USPTO records.