Shizuoka, Japan

Hiroaki Takase

This inventor holds 14 USPTO granted patents and 8 published patent applications and 2 EPO patents, primarily in Marine Propulsion Systems. Top assignees: Yamaha Hatsudoki Kabushiki Kaisha, Sanshin Kogyo Kabushiki Kaisha, Yamaha Marine Kabushiki Kaisha. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Takase. Retrieved from https://idiyas.com/inventor/hiroaki-takase-7caw77s6

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

Calculating rank
USPTO Granted Patents = 14 

% Patents Active = 85.7

 

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 74(Granted Patents)


Location History:

  • Shizuoka-ken, JP (2008)
  • Shizuoka, JP (2001 - 2022)

Company Filing History:


Years Active: 2001-2026

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Areas of Expertise:
Marine Propulsion
Outboard Motor
Fuel Injection
Steering Apparatus
Lubrication System
Suspension Device
Exhaust System
Grommet Assembly
Marine Vessel
Vessel Propulsion
Control Systems
Marine Engineering
14 patents (USPTO):Explore Patents

Title: Hiroaki Takase: Innovator in Marine Propulsion Technology

Introduction

Hiroaki Takase is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of marine propulsion technology, holding a total of 13 patents. His innovative designs have advanced the efficiency and functionality of marine vessels.

Latest Patents

Among his latest patents is a marine propulsion unit designed for marine vessels. This unit features a casing that houses a steering shaft and a controller, which is programmed to control the driving of a propeller. The casing is rotatable by the steering shaft, allowing for enhanced maneuverability. Additionally, the design includes a power supply wire that provides power to a stator and a signal wire that transmits a drive signal to the controller. These wires are strategically located outside the casing, passing in front of the steering shaft along its rotation direction. Another notable patent involves a similar marine propulsion unit, which also includes a casing that houses the steering shaft and controller, with the power supply and signal wires positioned behind the steering shaft.

Career Highlights

Hiroaki Takase has worked with notable companies in the industry, including Yamaha Motor Co., Ltd. and Sanshin Kogyo Co., Ltd. His experience in these organizations has contributed to his expertise in marine technology and innovation.

Collaborations

Throughout his career, Takase has collaborated with talented individuals such as Tomohiro Nozawa and Masahiko Kato. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hiroaki Takase's contributions to marine propulsion technology exemplify his innovative spirit and dedication to advancing the field. His patents reflect a commitment to improving the efficiency and functionality of marine vessels, making him a significant figure in the industry.

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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