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For the Inventor, By the Inventor

Tokyo, Japan

Hajime Sakuma

This inventor holds 12 USPTO granted patents. Top assignee: Nec Corporation. Active years: 1991-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Sakuma. Retrieved from https://idiyas.com/inventor/hajime-sakuma

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 6

Forward Citations = 78(Granted Patents)


Company Filing History:

goldMedal12 out of 36,718 
 
Nec Corporation
 patents

Years Active: 1991-1999

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12 patents (USPTO):Explore Patents
1. 5872961 - Microcomputer allowing external monitoring of internal resources (1999-02-16),
2. 5687380 - Macro service processing of interrupt requests in a processing system (1997-11-11),
3. 5586336 - Microcomputer capable of monitoring internal resources from external (1996-12-17),
4. 5577260 - Data processing system having a serial interface comprising an (1996-11-19),
5. 5491825 - Microprocessor having a functionally multiplexed input and output (1996-02-13),
6. 5479566 - Microcomputer internally having fuzzy inference exclusive-instructions (1995-12-26),
7. 5467461 - Multiprocessor computer system having bus control circuitry for (1995-11-14),
8. 5371770 - Pulse generating circuit for microcomputers (1994-12-06),
9. 5327565 - Data processing apparatus (1994-07-05),
10. 5148542 - Multitask processing apparatus utilizing a central processing unit (1992-09-15),
11. 5126944 - Data processing apparatus for producing in sequence pulses having (1992-06-30),
12. 4996639 - Data processor including an A/D converter for converting a plurality of (1991-02-26),

Title: Hajime Sakuma: Innovator in Microcomputer Technology

Introduction

Hajime Sakuma is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of microcomputer technology, holding a total of 12 patents. His innovative work focuses on enhancing the functionality and efficiency of microcomputers.

Latest Patents

One of Hajime Sakuma's latest patents is a microcomputer allowing external monitoring of internal resources. This invention enables the monitoring of internal resources within the microcomputer without interrupting its execution. By determining the address of a register in advance, data can be outputted externally via a serial interface, allowing for real-time development and avoiding potential machine malfunctions. Another notable patent is related to macro service processing of interrupt requests in a processing system. This system includes a central processing unit connected to various peripheral units, allowing for efficient processing of multiple requests without saving program states in the stack.

Career Highlights

Hajime Sakuma is currently employed at NEC Corporation, where he continues to innovate in the field of microcomputers. His work has been instrumental in advancing the capabilities of data processing systems, making them more efficient and reliable.

Collaborations

Throughout his career, Hajime has collaborated with notable colleagues such as Satomi Ishimoto and Osamu Matsushima. These collaborations have contributed to the development of groundbreaking technologies in the microcomputer sector.

Conclusion

Hajime Sakuma's contributions to microcomputer technology have established him as a leading inventor in his field. His innovative patents and collaborative efforts continue to shape the future of data processing systems.

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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