Sumihiro Takashima

This inventor holds 16 USPTO granted patents. Top assignees: Yamaha Hatsudoki Kabushiki Kaisha, Yamaha Marine Kabushiki Kaisha. Active years: 1999-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sumihiro Takashima. Retrieved from https://idiyas.com/inventor/sumihiro-takashima

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 6

Forward Citations = 186(Granted Patents)

Location History:

Hamamatsu, JP (2006 - 2009)
Shizuoka-ken, JP (2007 - 2009)
Shizuoka, JP (1999 - 2021)

Company Filing History:

12 out of 4,358

Yamaha Hatsudoki Kabushiki Kaisha

patents

4 out of 279

Yamaha Marine Kabushiki Kaisha

patents

Years Active: 1999-2021

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11161585 - Boat (2021-11-02),

2. 10689070 - Boat and personal watercraft (2020-06-23),

3. 8505475 - Personal watercraft (2013-08-13),

4. 7549900 - Operation control apparatus for planing boat (2009-06-23),

5. 7513807 - Operation control system for planing boat (2009-04-07),

6. 7422495 - Operation control system for small boat (2008-09-09),

7. 7201620 - Operation control system for planing boat (2007-04-10),

8. 7186154 - Security system for watercraft (2007-03-06),

9. 7131876 - Control device for small watercraft (2006-11-07),

10. 7053782 - Fuel overflow alarm system (2006-05-30),

11. 6352045 - Immobilization system for watercraft (2002-03-05),

12. 6213041 - Speed sensor for personal watercraft (2001-04-10),

13. 6125782 - Small craft with G.P.S. (2000-10-03),

14. 6032605 - Adjustable sponson system for watercraft (2000-03-07),

15. 5941188 - Display arrangement for watercraft (1999-08-24),

Title: The Inventor Spotlight: Sumihiro Takashima

Introduction: Sumihiro Takashima, a renowned inventor hailing from Shizuoka, Japan, has made significant contributions to the field of marine technology with a total of 16 patents under his belt.

Latest Patents: Among his latest patents is a groundbreaking innovation in the realm of boats and personal watercraft. One of his patents describes a boat equipped with a sophisticated controller that powers off under specific conditions, enhancing operational efficiency and safety.

Another patent introduces a small boat with a unique display system that allows operators to set speed and acceleration values seamlessly, controlled by an advanced engine controller developed by Takashima.

Career Highlights: Takashima's innovative spirit led him to work with esteemed companies such as Yamaha Hatsudoki Kabushiki Kaisha and Yamaha Marine Kabushiki Kaisha. His expertise and inventive prowess have left a lasting impact on the marine industry.

Collaborations: Throughout his career, Takashima collaborated with notable individuals in the field, including Toshiyuki Hattori and Yoshimasa Kinoshita. Together, they pushed the boundaries of marine technology, bringing cutting-edge solutions to the forefront.

Conclusion: In conclusion, Sumihiro Takashima's dedication to innovation and his remarkable contributions to the marine sector have solidified his position as a trailblazing inventor. His patents continue to shape the industry, setting new standards for efficiency and performance.

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]