Kanagawa, Japan

Akihiko Shimizu

This inventor holds 37 USPTO granted patents, primarily in Optical Information Recording. Top assignees: Ricoh Company, Ltd., Inoue-Japax Research Incorporated, Japax Inc.. Active years: 1976-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiko Shimizu. Retrieved from https://idiyas.com/inventor/akihiko-shimizu

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


% Patents Active = 75.7

Average Co-Inventor Count = 1.5

ph-index = 12

Forward Citations = 423(Granted Patents)


Location History:

  • Isehara, JA (1976)
  • Iseharashi, JP (1979 - 1981)
  • Kawasakishi, JP (1982)
  • Kawasaki, JP (1983 - 1985)
  • Kanagawaken, JP (1984 - 2000)
  • Yokohama, JP (1993 - 2007)
  • Kanagawa, JP (1986 - 2008)

Company Filing History:


Years Active: 1976-2008

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Areas of Expertise:
Optical Recording
Data Reproduction
Multi-Level Data Processing
Phase-Change Medium
Optical Disk Unit
Information Recording
Electrode Assembly
Electroerosion Machining
Data Recording Device
Control Method
NC-EDM
Machining Parameters
37 patents (USPTO):Explore Patents

Title: Akihiko Shimizu: Inventor Extraordinaire from Kanagawa, Japan

Introduction:

In the world of innovation and patents, Akihiko Shimizu, hailing from Kanagawa, Japan, has made significant contributions. With an impressive collection of 36 patents under his name, Shimizu has demonstrated his expertise and ingenuity in various areas of technology and information systems. Let's take a closer look at his latest patents, career highlights, and notable collaborations.

Latest Patents:

Among Akihiko Shimizu's recent patents, one noteworthy invention is an "Information reproducing method judging a multivalued level of a present cell by referring to judged multivalued levels of a preceding cell and an ensuing cell." This patent focuses on accurately reproducing multivalued levels from a recording medium, referencing both preceding and ensuing cells to determine the current cell's multivalued level.

Another notable patent by Shimizu is the "Data recording/reproducing device," which highlights his innovative approach to data recording. This device encompasses block division, multi-level data generation, averaging units, level comparison, revision data generation, and data selection. These advancements aim to improve data storage and retrieval processes.

Career Highlights:

Akihiko Shimizu's impressive career includes notable contributions to renowned organizations. He has worked with Ricoh Company, Ltd., a global leader in imaging and electronic products, where he made significant strides in developing innovative technologies. Additionally, Shimizu collaborated with Inoue-Japax Research Incorporated, a prominent research organization dedicated to advancing cutting-edge technologies.

Collaborations:

While forging his path as an inventor and innovator, Akihiko Shimizu collaborated with accomplished professionals in the field. Two notable companions in his journey are Kiyoshi Inoue and Hiroshi Koide. Together, they have undoubtedly explored new opportunities, shared knowledge, and contributed to advancements within the realm of inventions and patents.

Conclusion:

Akihiko Shimizu, a prolific inventor from Kanagawa, Japan, has made remarkable contributions to the world of innovations and patents. With 36 patents and a focus on information systems and technology, his expertise shines through in his latest patents. Throughout his career, Shimizu has worked with renowned organizations like Ricoh Company, Ltd. and Inoue-Japax Research Incorporated. Collaborating with notable peers such as Kiyoshi Inoue and Hiroshi Koide, Shimizu continues to push the boundaries of technological advancements. His dedication and ingenuity have undoubtedly shaped the industry, leaving a lasting impact on the field of inventions and patents.

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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