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For the Inventor, By the Inventor

Mito, Japan

Tsugutaro Ozawa

This inventor holds 7 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Ulsi Systems Co., Ltd.. Active years: 1991-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsugutaro Ozawa. Retrieved from https://idiyas.com/inventor/tsugutaro-ozawa

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

USPTO Granted Patents = 7

% Patents Active = 85.7

Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 39(Granted Patents)


Company Filing History:

goldMedal7 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal4 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1991-2008

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7 patents (USPTO):Explore Patents
1. 7327932 - Image apparatus with zoom-in magnifying function (2008-02-05),
2. 7068914 - Image apparatus with zoom-in magnifying function (2006-06-27),
3. 6961509 - Image apparatus with zoom-in magnifying function (2005-11-01),
4. 6850689 - Video apparatus with zoom-in magnifying function (2005-02-01),
5. 5781523 - Disk reproducing apparatus capable of taking multi-inclined postures (1998-07-14),
6. 5407117 - Tape guide for a magnetic recording and/or reproducing apparatus (1995-04-18),
7. 5067036 - Cassette loading mechanism for accommodating cassettes of various sizes (1991-11-19),

Title: Tsugutaro Ozawa: Innovator in Image Technology

Introduction

Tsugutaro Ozawa is a notable inventor based in Mito, Japan. He has made significant contributions to the field of image technology, holding a total of 7 patents. His work has influenced the way images are processed and displayed, particularly in television technology.

Latest Patents

One of his latest patents is an image apparatus with a zoom-in magnifying function. This invention allows a picture to be reproduced and displayed on a television monitor, discerned as a plurality of partitioned areas corresponding to keys labeled '1' to '9' on a remote control unit. By operating a zoom key on the remote control, users can zoom in on a picture in a partitioned center area. The invention enables a partial picture in a designated area to be zoomed in with a desired magnification factor, which can be visually recognized by displaying cursors correspondingly.

Career Highlights

Throughout his career, Tsugutaro Ozawa has worked with prominent companies such as Hitachi, Ltd. and Hitachi ULSI Systems Co., Ltd. His experience in these organizations has contributed to his expertise in image technology and innovation.

Collaborations

He has collaborated with notable coworkers, including Yuzuru Takahashi and Shinro Inui. Their collective efforts have further advanced the field of image processing and technology.

Conclusion

Tsugutaro Ozawa's contributions to image technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the way we interact with visual media today.

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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