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For the Inventor, By the Inventor

Osaka, Japan

Hideo Sawada

This inventor holds 6 USPTO granted patents. Top assignees: Daicel Corporation, Goseikagaku Institute Ltd.. Active years: 1977-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideo Sawada. Retrieved from https://idiyas.com/inventor/hideo-sawada-12fo3kfa

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

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 47(Granted Patents)


Location History:

  • Osaka, JA (1977 - 1978)
  • Sakai, JP (1979)
  • Osaka, JP (1981)

Company Filing History:

goldMedal6 out of 697 
 
Daicel Corporation
 patents
silverMedal1 out of 1 
 
Goseikagaku Institute Ltd.
 patent
where one patent can have more than one assignee

Years Active: 1977-1981

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6 patents (USPTO):Explore Patents
1. 4292984 - Filter for cigarette smoke (1981-10-06),
2. 4246009 - Smoke filter material and use thereof (1981-01-20),
3. 4153064 - Cigarette filters (1979-05-08),
4. 4085760 - Tobacco filter (1978-04-25),
5. 4008301 - Process for the production of nonwoven cellulose acetate laminate cured (1977-02-15),
6. 4007746 - Method for preparing cellulose acetate fiber rods (1977-02-15),

Title: Hideo Sawada: Innovator in Smoke Filtration Technology

Introduction

Hideo Sawada is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of smoke filtration technology, holding a total of 6 patents. His innovative designs focus on improving the quality of air by effectively filtering harmful components from smoke.

Latest Patents

Among his latest patents, Sawada has developed a unique cigarette filter. This filter is composed of a bundle of cellulose acetate filaments that feature at least two different filament denier sizes, which are randomly distributed in a direction perpendicular to the longitudinal axis of the filter. Another notable invention is a smoke filter designed to remove injurious components from smoke. This filter comprises a fiber matrix in conjunction with a water-swellable synthetic mica, which can be made from materials such as cellulose acetate or regenerated cellulose.

Career Highlights

Throughout his career, Hideo Sawada has worked with notable companies, including Daicel Corporation and Goseikagaku Institute Ltd. His work in these organizations has allowed him to refine his inventions and contribute to advancements in smoke filtration technology.

Collaborations

Sawada has collaborated with several talented individuals in his field, including Junji Kawamoto and Motoharu Kotani. These collaborations have further enhanced his innovative capabilities and have led to the development of effective smoke filtration solutions.

Conclusion

Hideo Sawada's contributions to smoke filtration technology demonstrate his commitment to innovation and improving public health. His patents reflect a deep understanding of materials and their applications in creating safer smoking alternatives.

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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