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For the Inventor, By the Inventor

Machida, Japan

Hajime Kubosawa

This inventor holds 5 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1989-1997.

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

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 = 1.7

ph-index = 4

Forward Citations = 34(Granted Patents)


Location History:

  • Machida, JP (1989 - 1995)
  • Kawasaki, JP (1997)

Company Filing History:

goldMedal5 out of 39,374 
 
Fujitsu Corporation
 patents

Years Active: 1989-1997

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5 patents (USPTO):Explore Patents
1. 5682521 - Microprocessor control system which selects operating instructions and (1997-10-28),
2. 5434810 - Binary operator using block select look ahead system which serves as (1995-07-18),
3. 5047976 - Logic circuit having carry select adders (1991-09-10),
4. 4851891 - Gate array having transistor buried in interconnection region (1989-07-25),
5. 4837461 - Master slice type integrated circuit (1989-06-06),

Title: Hajime Kubosawa: Innovator in Microprocessor Technology

Introduction

Hajime Kubosawa is a prominent inventor based in Machida, Japan. He has made significant contributions to the field of microprocessor technology, holding a total of 5 patents. His innovative work has paved the way for advancements in computing efficiency and speed.

Latest Patents

Kubosawa's latest patents include a microprocessor control system that selects operating instructions. This microprocessor can simultaneously execute a plurality of instructions, known as m-instructions, which are transferred to multiple registers. The execution of these instructions occurs in the order of their executable state, regardless of the transfer order. Additionally, when n-instructions (where n is greater than m) are set to the executable state for each clock cycle, they are executed in the order of their transfer. This design allows for high-speed and effective execution of instructions.

Another notable patent is a binary operator utilizing a block select look-ahead system. This binary operator consists of several carry select adder circuits, which include cumulative carry propagate and generate signal generating means. The design eliminates the need to generate two presumed sum signals simultaneously, thereby enhancing computational speed without sacrificing performance.

Career Highlights

Hajime Kubosawa is currently employed at Fujitsu Corporation, where he continues to innovate in the field of microprocessors. His work has been instrumental in developing technologies that improve the efficiency of computing systems.

Collaborations

Kubosawa has collaborated with notable colleagues such as Gensuke Goto and Masato Ishiguro. Their combined expertise has contributed to the advancement of microprocessor technology.

Conclusion

Hajime Kubosawa's contributions to microprocessor technology exemplify his innovative spirit and dedication to enhancing computing efficiency. His patents reflect a deep understanding of complex systems and a commitment to pushing the boundaries 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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