Nagaokakyo, Japan

Tadashi Kasezawa

This inventor holds 18 USPTO granted patents, plus 1 CIPO patent. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Hitachi, Ltd., Mitsubishi Electric Corporation. Active years: 1988-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Kasezawa. Retrieved from https://idiyas.com/inventor/tadashi-kasezawa

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


% Patents Active = 72.2


Average Co-Inventor Count = 4.6

ph-index = 9

Forward Citations = 305(Granted Patents)


Location History:

  • Kyoto, JP (1993 - 1999)
  • Tokyo, JP (2002 - 2006)
  • Nagaokakyo, JP (1988 - 2008)

Company Filing History:


Years Active: 1988-2008

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18 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Tadashi Kasezawa in Digital Video Technology**

Introduction

Tadashi Kasezawa, an accomplished inventor from Nagaokakyo, Japan, has made significant contributions to the field of digital video technology. With a remarkable portfolio of 18 patents, Kasezawa is known for his innovative approach to recording and playing back information on disk media.

Latest Patents

Among his latest patents, Kasezawa developed a sophisticated system for a video disk recording and playback device. This invention enhances the efficiency of converting digital video signals into coded data. The process involves recording this data onto a video disk and restoring it to produce high-quality output images. This system efficiently manages I pictures, P pictures, and B pictures through a comprehensive image information table that records start addresses of coded data, facilitating image retrieval. Additionally, his patent for a digital video signal record and playback device emphasizes a data arrangement method that prioritizes the playback of images from an optical disk effectively.

Career Highlights

Kasezawa has enjoyed a distinguished career, contributing his innovative prowess to notable companies such as Mitsubishi Electric Corporation and Hitachi, Ltd. His technical expertise has played a pivotal role in advancing digital video technologies, earning him the recognition of an accomplished inventor in the industry.

Collaborations

Throughout his career, Tadashi Kasezawa has collaborated with prominent professionals, including Hidetoshi Mishima and Yoshinori Asamura. Their joint efforts have undoubtedly contributed to the evolution of Kasezawa's groundbreaking inventions, fostering a collaborative spirit in the realm of innovation.

Conclusion

Tadashi Kasezawa's innovations in video technology not only highlight his inventive capabilities but also reflect the broader advancements within the digital media landscape. As an inventor committed to enhancing user experience through technology, Kasezawa continues to leave a lasting impact in the field with his numerous patents and collaborative endeavors.

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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