Takatsuki, Japan

Masaru Wada

This inventor holds 19 USPTO granted patents, primarily in Semiconductor Lasers. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1982-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Wada. Retrieved from https://idiyas.com/inventor/masaru-wada-et0vgz4b

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 107(Granted Patents)


Location History:

  • Takatsuki, JP (1982 - 1987)
  • Akaiwa, JP (1991)

Company Filing History:


Years Active: 1982-1991

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Areas of Expertise:
Semiconductor Laser
High-Output Laser
Laser Structure
Manufacturing Method
Terraced Substrate
Dove Tail Groove
Dual Mounts
Ridge Structure
Semiconductor Device
Stem Design
19 patents (USPTO):Explore Patents

Title: Masaru Wada: Pioneering Innovator in Semiconductor Technology

Introduction: Masaru Wada, based in Takatsuki, Japan, is a prominent inventor known for his significant contributions to the field of semiconductor technology. With a remarkable portfolio of 19 patents, Wada has demonstrated exceptional creativity and technical expertise in developing innovative solutions for modern electronic applications.

Latest Patents: Among his most noteworthy inventions is a semiconductor laser apparatus that integrates a laser chip directly onto a support member. This design allows for the sealing of the laser chip and related components within a transparent plastic resin, thus reducing costs by utilizing standard materials and processes similar to those used in conventional plastic-sealed LEDs. Additionally, Wada has also developed a high-output semiconductor laser featuring a dove-tail groove type. This device employs a semiconductor substrate with a specially designed groove, enabling multiple epitaxial layers to be formed on top, including an active layer that supports high power lasing with fundamental transverse mode operation.

Career Highlights: Masaru Wada currently works for Matsushita Electric Industrial Co., Ltd., a company renowned for its advancements in electronics and technology. His extensive work has significantly improved the efficiency and performance of laser technology, underpinning various applications in the industry.

Collaborations: Throughout his career, Wada has collaborated with esteemed colleagues such as Kunio Itoh and Hirokazu Shimizu. These partnerships have fostered innovative ideas and hastened the development of advanced semiconductor technologies.

Conclusion: Masaru Wada stands out as a leading inventor in the semiconductor field, contributing valuable patents that drive technological advancement. His work not only exemplifies innovation but also illustrates the impact that dedicated inventors can have on the future of technology.

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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