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For the Inventor, By the Inventor

Kodaira, Japan

Shigeki Masumura

This inventor holds 19 USPTO granted patents, primarily in Microprocessor Design. Top assignees: Hitachi, Ltd., Hitachi Microcomputer System, Ltd., Hitachi Vlsi Engineering Corp.. Active years: 1990-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Masumura. Retrieved from https://idiyas.com/inventor/shigeki-masumura

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

USPTO Granted Patents = 19

% Patents Active = 94.7

Average Co-Inventor Count = 11.3

ph-index = 11

Forward Citations = 234(Granted Patents)


Company Filing History:

goldMedal15 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal7 out of 64 
 
Hitachi Microcomputer System, Ltd.
 patents
bronzeMedal7 out of 182 
 
Hitachi Vlsi Engineering Corp.
 patents
4. 4 out of 87 
 
Hitachi Ulsi Engineering Corp.
 patents
5. 2 out of 149 
 
Hitachi Microcomputer Engineering, Ltd.
 patents
6. 1 out of 162 
 
Hitachi Engineering Co., Ltd.
 patents
7. 1 out of 3,781 
 
Renesas Technology Corp.
 patents
8. 1 out of 4 
 
Vlsi Engineering Corporation
 patents
9. 3 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2006

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Areas of Expertise:
Microcomputer
Central Processing Unit
Instruction Queue
Variable Bit Width
Division Circuit
Semiconductor Integrated Circuit
Microprocessor System
Memory Architecture
Hierarchical Buses
Peripheral Functions
Microprogram Control
Information Selection
19 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. 5987589 - Microcomputer and microcomputer system (1999-11-16),
10. 5969976 - Division circuit and the division method thereof (1999-10-19),
11. 5832248 - Semiconductor integrated circuit having CPU and multiplier (1998-11-03),
12. 5748977 - Multiply connectable microprocessor and microprocessor system (1998-05-05),
13. 5682545 - Microcomputer having 16 bit fixed length instruction format (1997-10-28),
14. 5608881 - Microcomputer system for accessing hierarchical buses (1997-03-04),
15. 5530965 - Multiply connectable microprocessor and microprocessor system (1996-06-25),

Title: The Innovative Journey of Shigeki Masumura

Introduction: Shigeki Masumura is a renowned inventor hailing from Kodaira, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Shigeki Masumura holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.

Career Highlights: Throughout his illustrious career, Shigeki Masumura has been instrumental in developing cutting-edge technologies that have revolutionized industries and improved the lives of many.

Collaborations: Shigeki Masumura has collaborated with leading tech companies, research institutions, and universities worldwide, fostering a culture of innovation and knowledge exchange.

Conclusion: Shigeki Masumura's relentless pursuit of innovation and his passion for creating impactful solutions solidify his position as a pioneering inventor in the realm of technology.

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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