Tokorozawa, Japan

Takashi Nakai

This inventor holds 4 USPTO granted patents. Top assignees: Pioneer Corporation, Pioneer Electronic Corporation. Active years: 2001-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Nakai. Retrieved from https://idiyas.com/inventor/takashi-nakai-gg7fmmc8

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 4.3

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2001-2010

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4 patents (USPTO):Explore Patents

Title: Takashi Nakai: Innovator in Optical Recording Technology

Introduction

Takashi Nakai is a prominent inventor based in Tokorozawa, Japan. He has made significant contributions to the field of optical recording technology, holding a total of four patents. His work has been instrumental in advancing data recording devices and optical media.

Latest Patents

Nakai's latest patents include an innovative optical recording medium and a data recording device. The optical disk he developed is manufacturable by conventional methods and is capable of recording with standard information recording apparatuses. This optical disk features a structure where a first substrate and a second substrate are bonded together. The first substrate contains a recording layer for contents data, while the second substrate has a visual information recording layer that enables visual recognition of the contents or titles. Another notable patent is for a pickup apparatus and its manufacturing method. This apparatus omits the actuator cover, reducing its dimensions significantly. It consists of an actuator unit with a movable unit supported by elastic members and a suspension base with yokes and magnets, allowing for precise focusing.

Career Highlights

Throughout his career, Takashi Nakai has worked with notable companies such as Pioneer Corporation and Pioneer Electronic Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in optical recording.

Collaborations

Nakai has collaborated with esteemed colleagues, including Jun Suzuki and Katsumi Ishii. Their combined expertise has fostered innovation in the field of optical technology.

Conclusion

Takashi Nakai's contributions to optical recording technology have made a lasting impact on the industry. His patents reflect a commitment to innovation and excellence in data recording solutions.

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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