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For the Inventor, By the Inventor

Tokuyama, Japan

Toshikatsu Sata

This inventor holds 8 USPTO granted patents. Top assignee: Tokuyama Soda Kabushiki Kaisha. Active years: 1978-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikatsu Sata. Retrieved from https://idiyas.com/inventor/toshikatsu-sata

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 156(Granted Patents)


Location History:

  • Tokuyama, JA (1978)
  • Tokuyama, JP (1978 - 1987)

Company Filing History:

goldMedal8 out of 95 
 
Tokuyama Soda Kabushiki Kaisha
 patents

Years Active: 1978-1987

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8 patents (USPTO):Explore Patents
1. 4715691 - Electrochromic display using bipolar ion-exchange membrane (1987-12-29),
2. 4587274 - Process for preparation of fluorine-containing compound having carboxyl (1986-05-06),
3. 4294943 - Process for preparing fluorine-containing polymers having carboxyl groups (1981-10-13),
4. 4200711 - Process for preparing fluorine-containing polymers having carboxyl groups (1980-04-29),
5. 4169023 - Electrolytic diaphragms, and method of electrolysis using the same (1979-09-25),
6. 4166014 - Electrolytic diaphragms, and method of electrolysis using the same (1979-08-28),
7. 4101395 - Cathode-structure for electrolysis (1978-07-18),
8. 4090931 - Anode-structure for electrolysis (1978-05-23),

Title: The Innovative Contributions of Toshikatsu Sata

Introduction

Toshikatsu Sata is a prominent inventor based in Tokuyama, Japan. He has made significant contributions to the field of electrochromic displays and fluorine-containing compounds. With a total of eight patents to his name, Sata's work showcases his innovative spirit and dedication to advancing technology.

Latest Patents

One of Sata's latest patents is an electrochromic display using a bipolar ion-exchange membrane. This invention features a transparent electroconductive membrane, an electrochromic membrane, an ion-exchange membrane, and a counter electrode in a laminated structure. The bipolar ion-exchange membrane consists of at least one cation-exchange membrane layer and at least one anion-exchange membrane layer. This electrochromic display is noted for its superior response speed, contrast, resolving power, and long service life.

Another significant patent involves a process for the preparation of a fluorine-containing compound having a carboxyl group. This process entails irradiating a fluorine-containing compound with a sulfonyl group using ultraviolet rays in the presence of a nitrogen compound. This method allows for the efficient and simple preparation of a fluorine-containing compound with a carboxyl group in just one step.

Career Highlights

Toshikatsu Sata has built a successful career at Tokuyama Soda Kabushiki Kaisha, where he has

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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