Masayuki Koyama

This inventor holds 12 USPTO granted patents. Top assignees: Pioneer Corporation, Pioneer Electronic Corporation. Active years: 1997-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Koyama. Retrieved from https://idiyas.com/inventor/masayuki-koyama-dbrmh1a6

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

Calculating rank

USPTO Granted Patents = 12

% Patents Active = 58.3

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 50(Granted Patents)

Location History:

Saitama-ken, JP (1997)
Tokorozawa, JP (1998 - 2006)

Company Filing History:

Pioneer Electronic Corporation

patents

Years Active: 1997-2006

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7137130 - Pickup device with heat-radiating mechanism (2006-11-14),

2. 7124420 - Pickup device having a heat-radiation path (2006-10-17),

3. 6912234 - Optical pickup apparatus and laser diode chip (2005-06-28),

4. 6845078 - Optical pickup apparatus (2005-01-18),

5. 6480456 - Optical pickup apparatus for reading different types of recording media at different reading wavelengths (2002-11-12),

6. 6452880 - Optical pickup apparatus (2002-09-17),

7. 6429981 - Optical pickup apparatus (2002-08-06),

8. 6172779 - Optical pickup device including a hologram lens section with an oval diffraction grating pattern (2001-01-09),

9. 6160646 - Optical pickup device including a holographic lens section with a double (2000-12-12),

10. 6055076 - Optical pickup device including a hologram lens section with an (2000-04-25),

11. 5798988 - Optical pickup unit capable of reading signals recorded on different (1998-08-25),

12. 5663841 - Optical pickup device having a magnetic circuit whose poles are (1997-09-02),

Title: Innovations of Masayuki Koyama in Optical Pickup Technology

Introduction

Masayuki Koyama, an accomplished inventor based in Tokorozawa, Japan, has made significant contributions to the field of optical pickup technology. With a remarkable portfolio of 12 patents, his innovative designs have enhanced the efficiency and functionality of optical devices, particularly in data storage systems.

Latest Patents

Koyama's latest patents, namely the "Pickup device with heat-radiating mechanism" and "Pickup device having a heat-radiation path," showcase his commitment to addressing thermal management issues in optical devices. The first patent describes a system where a laser light source is mounted on a pickup base, with a heat-radiating plate positioned to efficiently dissipate heat generated during operation. This design improves overall system reliability and performance. The second patent introduces a communication hole in the pickup base, designed to facilitate heat radiation from the laser light source to the exterior, thereby enhancing heat dissipation in operational settings.

Career Highlights

Throughout his career, Koyama has collaborated with renowned companies, including Pioneer Corporation and Pioneer Electronic Corporation. His work in these organizations has allowed him to develop advanced technologies that push the limits of current optical systems. His patents represent tangible advancements in optical pickup designs, contributing greatly to the consumer electronics market.

Collaborations

Masayuki Koyama has also collaborated with notable coworkers such as Shinichi Takahashi and Makoto Kawamura. Together, they have worked on groundbreaking projects that have further pushed the boundaries of innovation in optical technology. Their collective efforts have played a pivotal role in shaping the future of optical pickups.

Conclusion

Masayuki Koyama's inventive spirit and dedication to improving optical pickup technology are evident in his numerous patents and collaborations. His innovations continue to make a lasting impact on the industry, ensuring higher efficiency and reliability in optical devices used worldwide.

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]