Tsutomu Sada

This inventor holds 11 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignees: Dai-Ichi Kogyo Seiyaku Co., Ltd., Sharp Corporation, Piotrek Co., Ltd.. Active years: 1998-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Sada. Retrieved from https://idiyas.com/inventor/tsutomu-sada

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

USPTO Granted Patents = 11 (Patent Applications = 3)

% Patents Active = 54.5

EPO Patents = 2 (Patent Applications = 5)

Average Co-Inventor Count = 3.8

ph-index = 4

Forward Citations = 46(Granted Patents)

Location History:

Shiga, JP (1998 - 2001)
Otsu, JP (2007 - 2018)

Company Filing History:

4 out of 252

Dai-Ichi Kogyo Seiyaku Co., Ltd.

Sharp Kabushiki Kaisha Corporation

where one patent can have more than one assignee

Years Active: 1998-2018

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9979037 - Process for producing fluorine containing polymer (2018-05-22),

2. 9960634 - Intelligent function installing power storage and generation package system (2018-05-01),

3. 9562126 - Process for producing fluorine containing polymer (2017-02-07),

4. 7629079 - Lithium polymer secondary battery (2009-12-08),

5. 7311998 - Lithium polymer battery with a crosslinked electrolyte (2007-12-25),

6. 7273503 - Lithium polymer secondary battery and method for manufacturing the same (2007-09-25),

7. 7270914 - Lithium secondary cell (2007-09-18),

8. 7238444 - Lithium secondary battery (2007-07-03),

9. 7192675 - Lithium polymer secondary battery (2007-03-20),

10. 6190804 - Solid battery (2001-02-20),

11. 5755985 - LPB electrolyte compositions based on mixtures of copolymers and (1998-05-26),

Title: Tsutomu Sada: Innovator in Polymer and Power Systems

Introduction

Tsutomu Sada is a prominent inventor based in Otsu, Japan, known for his significant contributions to the fields of polymer chemistry and power generation systems. With a total of 11 patents to his name, Sada has made remarkable advancements that enhance the efficiency and functionality of various technologies.

Latest Patents

One of Sada's latest patents is a process for producing fluorine-containing polymer. This invention provides a method to create composite polymer electrolyte compositions that exhibit excellent ion transport numbers, particularly for lithium ions. The process involves graft-polymerizing a molten salt monomer with a polymer that contains specific functional groups. This innovation is crucial for improving the performance of batteries and other energy storage devices.

Another notable patent is for an intelligent function installing power storage and generation package system. This invention encompasses a power generation and storage system that integrates solar power generation with storage capabilities. It features a control system for charge-discharge functions and utilizes lithium-ion rechargeable batteries, either alone or in combination with capacitors. This system aims to enhance the efficiency of energy management in various applications.

Career Highlights

Throughout his career, Tsutomu Sada has worked with reputable companies such as Dai-ichi Kogyo Seiyaku Co., Ltd. and Sharp Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology and energy solutions.

Collaborations

Sada has collaborated with notable individuals in his field, including Kazunari Takeda and Naoto Nishimura. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Tsutomu Sada's contributions to polymer chemistry and power systems exemplify the spirit of innovation. His patents not only advance technology but also pave the way for more efficient energy solutions. His work continues to inspire future generations of inventors and researchers.

Profile summary based on public USPTO records.