logo

For the Inventor, By the Inventor

Kodaira, Japan

Tadahiko Sugawara

This inventor holds 10 USPTO granted patents and 1 published patent application. Top assignees: Hitachi, Ltd., Hitachi Microcomputer System, Ltd., Hitachi Vlsi Engineering Corp.. Active years: 1997-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadahiko Sugawara. Retrieved from https://idiyas.com/inventor/tadahiko-sugawara

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

USPTO Granted Patents = 10 

% Patents Active = 90.0

Average Co-Inventor Count = 21.0

ph-index = 5

Forward Citations = 72(Granted Patents)


Company Filing History:

goldMedal6 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal4 out of 64 
 
Hitachi Microcomputer System, Ltd.
 patents
bronzeMedal4 out of 182 
 
Hitachi Vlsi Engineering Corp.
 patents
4. 1 out of 3,781 
 
Renesas Technology Corp.
 patents
5. 3 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1997-2006

Loading Chart...
10 patents (USPTO):Explore Patents
1. 6996700 - Microcomputer and dividing circuit (2006-02-07),
2. 6343357 - Microcomputer and dividing circuit (2002-01-29),
3. 6272620 - Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation (2001-08-07),
4. 6253308 - Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word (2001-06-26),
5. 6205535 - Branch instruction having different field lengths for unconditional and conditional displacements (2001-03-20),
6. 6131154 - Microcomputer having variable bit width area for displacement (2000-10-10),
7. 6122724 - Central processing unit having instruction queue of 32-bit length (2000-09-19),
8. 5991545 - Microcomputer having variable bit width area for displacement and (1999-11-23),
9. 5969976 - Division circuit and the division method thereof (1999-10-19),
10. 5682545 - Microcomputer having 16 bit fixed length instruction format (1997-10-28),

Title: The Innovations of Tadahiko Sugawara

Introduction

Tadahiko Sugawara is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of microcomputers, holding a total of 10 patents. His work has focused on enhancing the efficiency and cost-effectiveness of microcomputer systems.

Latest Patents

One of Sugawara's latest patents involves a microcomputer and dividing circuit. This microcomputer adopts the general-purpose register method, allowing for a small program capacity or high program memory efficiency at a low system cost. It simplifies instruction decoding similar to RISC machines, utilizing a fixed-length instruction format that has a power of 2 but a smaller bit number than the maximum data word length. The control of the coded division is executed by noting the code bits, showcasing his innovative approach to microcomputer design.

Career Highlights

Throughout his career, Sugawara has worked with prominent companies such as Hitachi, Ltd. and Hitachi VLSI Engineering Corporation. His experience in these organizations has contributed to his expertise in microcomputer technology and innovation.

Collaborations

Sugawara has collaborated with notable colleagues, including Shumpei Kawasaki and Eiji Sakakibara. Their joint efforts have likely played a role in advancing the technology in which they specialize.

Conclusion

Tadahiko Sugawara's contributions to microcomputer technology and his innovative patents reflect his significant impact on the field. His work continues to influence advancements in microcomputer design and efficiency.

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]
Loading…