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For the Inventor, By the Inventor

Tokyo, Japan

Makoto Iwaki

This inventor holds 16 USPTO granted patents. Top assignee: Asahi Kogaku Kogyo Kabushiki Kaisha. Active years: 1990-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Iwaki. Retrieved from https://idiyas.com/inventor/makoto-iwaki

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 9

Forward Citations = 162(Granted Patents)


Location History:

  • Saitama, JP (2000)
  • Tokyo, JP (1990 - 2001)

Company Filing History:

goldMedal16 out of 3,132 
 
Asahi Kogaku Kogyo Kabushiki Kaisha
 patents

Years Active: 1990-2001

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16 patents (USPTO):Explore Patents
1. 6219191 - Plastic lens (2001-04-17),
2. 6144500 - Plastic lens (2000-11-07),
3. 6115175 - UV image forming optical system (2000-09-05),
4. 6052232 - Molded plastic lens (2000-04-18),
5. 5930032 - UV image forming optical system and lens for UV radiation (1999-07-27),
6. 5657171 - Optical system of optical information recording/reproducing apparatus (1997-08-12),
7. 5657168 - Optical system of optical information recording/ reproducing apparatus (1997-08-12),
8. 5644437 - Optical system of optical information recording/reproducing apparatus (1997-07-01),
9. 5638221 - Optical system of optical information recording/reproducing apparatus (1997-06-10),
10. 5500767 - Objective lens and method of measuring its performance (1996-03-19),
11. 5491587 - Collimating lens for optical system using semiconductor laser (1996-02-13),
12. 5479296 - Optical system of optical information recording/reproducing apparatus (1995-12-26),
13. 5335059 - Method and apparatus for measuring lens performance (1994-08-02),
14. 5321550 - Optical system of optical information recording/reproducing apparatus (1994-06-14),
15. 5173809 - Objective lens system of optical information recording/reproducing (1992-12-22),

Title: The Innovations of Makoto Iwaki

Introduction

Makoto Iwaki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of 16 patents. His work primarily focuses on advancements in plastic lens design, which have applications in various optical devices.

Latest Patents

One of Iwaki's latest innovations is a plastic lens designed for precise positioning during lens mounting. This lens serves as a pickup lens on an optical head for optical disks. It features a central lens portion surrounded by an annular rim. The rim has two opposed surfaces, with one serving as a reference plane for accurate positioning within a lens holder. Additionally, the rim includes a gate portion that projects from the periphery after molten plastic is injected during the molding process. This gate portion is subsequently cut off by cutting blades that move parallel to the optical axis of the lens. The cutting operation results in a bur at the distal end of the gate portion, which projects orthogonally to the optical axis.

Career Highlights

Iwaki is currently employed at Asahi Kogaku Kogyo Kabushiki Kaisha, a company known for its innovations in optical technology. His work has significantly impacted the design and functionality of optical components, enhancing their performance and reliability.

Collaborations

Iwaki has collaborated with notable colleagues, including Koichi Maruyama and Haruyuki Ohashi. Their combined expertise has contributed to the successful development of various optical technologies.

Conclusion

Makoto Iwaki's contributions to the field of optical technology through his innovative plastic lens designs demonstrate his commitment to advancing the industry. His patents reflect a deep understanding of optical mechanics and a dedication to improving device functionality.

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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