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For the Inventor, By the Inventor

Hyogo, Japan

Toshio Doi

This inventor holds 5 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1994-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Doi. Retrieved from https://idiyas.com/inventor/toshio-doi-gc9hpbeg

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 3

Forward Citations = 72(Granted Patents)


Location History:

  • Hyogo, JP (1994 - 1996)
  • Itami, JP (1997 - 1999)

Company Filing History:

goldMedal5 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents

Years Active: 1994-1999

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5 patents (USPTO):Explore Patents
1. 5956520 - Microcomputer for accessing a memory outside the chip by using an (1999-09-21),
2. 5669012 - Data processor and control circuit for inserting/extracting data to/from (1997-09-16),
3. 5493664 - Microcomputer that transfers address and control to a debugging routine (1996-02-20),
4. 5394533 - Cache system having only entries near block boundaries (1995-02-28),
5. 5323175 - Screen display element (1994-06-21),

Title: The Innovations of Toshio Doi

Introduction

Toshio Doi is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of microcomputers and data processing. With a total of 5 patents to his name, Doi's work has had a lasting impact on technology.

Latest Patents

One of Doi's latest patents is a microcomputer designed for accessing memory outside the chip using an external bus interface section. This innovation allows high-order bits of a logical address generated by a CPU to be outputted to indicate which memory space is being accessed in real time. Another notable patent involves a data processor and control circuit that enables the insertion and extraction of data from optional byte positions of registers at high speed. This advancement significantly reduces instruction code size while enhancing processing efficiency.

Career Highlights

Doi is currently employed at Mitsubishi Electric Corporation, where he continues to develop cutting-edge technologies. His work has been instrumental in advancing microprocessor capabilities and data handling techniques.

Collaborations

Throughout his career, Doi has collaborated with notable colleagues such as Shigeo Mizugaki and Toru Shimizu. These partnerships have fostered innovation and contributed to the success of various projects.

Conclusion

Toshio Doi's contributions to the field of microcomputers and data processing exemplify the spirit of innovation. His patents reflect a commitment to advancing technology and improving efficiency in computing.

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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