Osaka, Japan

Tsutomu Takada

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Shimano Inc., Idec Corporation, Idec Izumi Corporation. Active years: 2003-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Takada. Retrieved from https://idiyas.com/inventor/tsutomu-takada-7ydwqrhb

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

Calculating rank

% Patents Active = 75.0


Average Co-Inventor Count = 3.1

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 2003-2020

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4 patents (USPTO):Explore Patents

Title: **The Innovative Mind of Tsutomu Takada**

Introduction

Tsutomu Takada, hailing from Osaka, Japan, is a distinguished inventor known for his contributions to the field of fishing reel technology. With a portfolio of four patents, Takada has made significant strides in creating innovative solutions that enhance the performance and functionality of fishing reels.

Latest Patents

Takada’s latest patents showcase his ingenuity and technical expertise. One of his notable inventions is the **Gear Mounting Structure of Fishing Reel**. This invention features a gear mounting structure that includes a worm shaft, a gear, and an elastic member. The worm shaft is designed with intersecting spiral grooves and a gear locking portion with a non-circular cross-section. It also has a curved surface portion and a planar portion that work in tandem with the gear, which has a boss portion that engages the gear locking portion. The elastic member ensures optimal performance by being mounted to abut key parts of the structure.

Another significant patent is the **Spool for Fishing Reel**, which is intricately designed to enhance the functionality of the reel body. The spool includes a spool body with a bobbin trunk featuring a radially extending annular flange and a tubular connecting portion. The spool ring surrounds the flange and is designed for separation, enhancing the efficiency of the overall fishing reel. This patent adds to the robustness and user-friendliness of fishing gear.

Career Highlights

Throughout his career, Takada has worked with prominent companies, notably Shimano Inc. and Idec Izumi Corporation. His tenure at these organizations has equipped him with practical knowledge and experience that inform his inventions.

Collaborations

In his journey as an inventor, Takada has collaborated with talented individuals such as Shigeru Tsujimura and Michio Hirabayashi. Their combined efforts in innovation have led to advancements in fishing reel technology, resulting in products that are both effective and reliable for anglers.

Conclusion

Tsutomu Takada stands out as a remarkable inventor in the realm of fishing reel technology. His latest patents demonstrate a commitment to innovation, showcasing intricate designs that significantly improve the functionality and enhance the experience for users. As technology continues to evolve, Takada's contributions will likely play a pivotal role in shaping the future of fishing equipment.

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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