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For the Inventor, By the Inventor

Toyota, Japan

Masahiro Kubo

This inventor holds 17 USPTO granted patents, primarily in Internal Combustion Engine. Top assignees: Toyota Jidosha Kabushiki Kaisha, Denso Corporation, Isolite Babcock Refractories Co., Ltd.. Active years: 1986-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Kubo. Retrieved from https://idiyas.com/inventor/masahiro-kubo-dtv2olh2

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

Calculating rank
USPTO Granted Patents = 17

% Patents Active = 88.2

Average Co-Inventor Count = 3.4

ph-index = 9

Forward Citations = 181(Granted Patents)


Location History:

  • Toyoto, JP (1988)
  • Toyota, JP (1986 - 1993)
  • Kariya, JP (2013 - 2017)
  • Kariya Aichi-ken, JP (2017)
  • Susono, JP (2017)

Company Filing History:

goldMedal16 out of 38,970 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal2 out of 20,436 
 
Denso Corporation
 patents
bronzeMedal1 out of 10 
 
Isolite Babcock Refractories Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1986-2017

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Areas of Expertise:
Abnormality Diagnosis
Exhaust Gas Purification
Turbocharger
Composite Material
Metal Matrix
Reinforcing Fiber
Aluminum Alloy
Manufacturing Process
Silicon Carbide
Piston Production
Metal Composite
Reinforcing Fibers
17 patents (USPTO):Explore Patents
1. 9732658 - Abnormality diagnosis system of internal combustion engine (2017-08-15),
2. 9677490 - Abnormality diagnosis system of internal combustion engine (2017-06-13),
3. 9599055 - Exhaust gas purification apparatus for an internal combustion engine (2017-03-21),
4. 8413497 - Abnormality diagnostic device of internal combustion engine with turbocharger (2013-04-09),
5. 5236032 - Method of manufacture of metal composite material including (1993-08-17),
6. 4852630 - Short fiber preform, method of making it, and composite material (1989-08-01),
7. 4789605 - Composite material with light matrix metal and with reinforcing fiber (1988-12-06),
8. 4777097 - Composite material including alumina-silica short fiber reinforcing (1988-10-11),
9. 4744945 - Process for manufacturing alloy including fine oxide particles (1988-05-17),
10. 4739817 - Method for manufacturing aluminum alloy by permeating molten aluminum (1988-04-26),
11. 4720434 - Composite material including silicon carbide and/or silicon nitride (1988-01-19),
12. 4712600 - Production of pistons having a cavity (1987-12-15),
13. 4708847 - Method for alloying substances (1987-11-24),
14. 4664704 - Composite material made from matrix metal reinforced with mixed (1987-05-12),
15. 4615733 - Composite material including reinforcing mineral fibers embedded in (1986-10-07),

Title: Biography of Masahiro Kubo

Introduction

Masahiro Kubo is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 17 patents. His innovative work focuses on improving the efficiency and reliability of exhaust purification systems.

Latest Patents

One of his latest patents is an abnormality diagnosis system for internal combustion engines. This system is designed to diagnose issues with exhaust purification catalysts that can store oxygen. It utilizes a downstream side air-fuel ratio sensor to monitor the air-fuel ratio during active control, allowing for accurate diagnosis of catalyst abnormalities. The system calculates the maximum storable oxygen amount in the catalyst and uses this information to assess its condition.

Career Highlights

Masahiro Kubo has had a distinguished career, primarily working with Toyota Motor Corporation and Denso Corporation. His expertise in engine technology has led to advancements that enhance vehicle performance and reduce emissions.

Collaborations

Throughout his career, Kubo has collaborated with notable colleagues such as Tadashi Dohnomoto and Atsuo Tanaka. These partnerships have fostered innovation and contributed to the development of cutting-edge automotive technologies.

Conclusion

Masahiro Kubo's work exemplifies the spirit of innovation in the automotive industry. His patents and collaborations continue to influence the future of internal combustion engine technology, making him a key

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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