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For the Inventor, By the Inventor

Kanagawa, Japan

Hiroaki Imai

This inventor holds 8 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Unisia Jecs Corporation, Atsugi Unisia Corp., Keio University. Active years: 1993-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Imai. Retrieved from https://idiyas.com/inventor/hiroaki-imai-0q85dj2a

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

USPTO Granted Patents = 8 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 73(Granted Patents)


Location History:

  • Atsugi, JP (1994 - 1997)
  • Saitama, JP (2002)
  • Kanagawa, JP (1993 - 2012)

Company Filing History:

goldMedal4 out of 556 
 
Unisia Jecs Corporation
 patents
silverMedal3 out of 134 
 
Atsugi Unisia Corp.
 patents
bronzeMedal1 out of 361 
 
Keio University
 patents
4. 1 out of 123 
 
Pentax Ricoh Imaging Company, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1993-2012

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8 patents (USPTO):Explore Patents
1. 8231966 - Anti-reflection coating and its production method (2012-07-31),
2. 6397806 - Engine valve assembly for internal combustion engine (2002-06-04),
3. 6314929 - Valve timing control device of internal combustion engine (2001-11-13),
4. 5592910 - Camshaft phase changing device (1997-01-14),
5. 5447126 - Variabe cam phaser for internal combustion engine (1995-09-05),
6. 5309873 - Valve timing control system for internal combustion engine (1994-05-10),
7. 5247914 - Intake- and/or exhaust-valve timing control system for internal (1993-09-28),
8. 5201289 - Valve timing control system for internal combustion engine (1993-04-13),

Title: Hiroaki Imai: Innovator in Engine Technology and Coatings

Introduction

Hiroaki Imai is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the fields of anti-reflection coatings and engine valve assemblies. With a total of eight patents to his name, Imai's work reflects a commitment to innovation and technological advancement.

Latest Patents

Among his latest patents is an anti-reflection coating and its production method. This coating comprises a mesoporous silica coating made of mesoporous silica nanoparticles formed on a substrate. The coating has a refractive index of more than 1.10 and 1.35 or less. Another significant patent is for an engine valve assembly for internal combustion engines. This assembly features a valve lifter with a cylindrical main body and a head wall portion that encloses the opening. The design allows for effective lubrication and improved performance in engine operations.

Career Highlights

Hiroaki Imai has worked with several companies throughout his career, including Unisia Jecs Corporation and Atsugi Unisia Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Imai has collaborated with notable coworkers such as Seiji Suga and Katsuhiko Uchida. Their joint efforts have likely enhanced the quality and impact of their inventions.

Conclusion

Hiroaki Imai's contributions to technology, particularly in anti-reflection coatings and engine components, showcase his innovative spirit and dedication to advancing engineering solutions. His patents reflect a blend of creativity and technical skill that continues to influence the industry.

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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