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For the Inventor, By the Inventor

Yokohama, Japan

Yoshitsugu Maruhashi

This inventor holds 36 USPTO granted patents and 1 EPO patent, primarily in Plastic Container Technology. Top assignee: Toyo Seikan Kaisha, Ltd.. Active years: 1980-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshitsugu Maruhashi. Retrieved from https://idiyas.com/inventor/yoshitsugu-maruhashi

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

Calculating rank
USPTO Granted Patents = 36

% Patents Active = 100.0


Average Co-Inventor Count = 3.6

ph-index = 18

Forward Citations = 1,165(Granted Patents)


Location History:

  • Kanagawa, JP (1991 - 1999)
  • Yokohama, JP (1980 - 2005)

Company Filing History:

goldMedal36 out of 586 
 
Toyo Seikan Kaisha, Ltd.
 patents

Years Active: 1980-2005

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Areas of Expertise:
Oxygen-Absorbing Resin
Plastic Bottles
Flavor-Retaining Containers
Heat-Resistant Packaging
Biaxially-Stretch-Blow-Molded
Multilayer Containers
Antibacterial Polymer
Coated Styrene Resin
36 patents (USPTO):Explore Patents
1. 6964796 - Oxygen-absorbing resin composition and packaging container, packaging material, cap or liner material having oxygen absorbability (2005-11-15),
2. 6716386 - Plastic bottle and method of producing the same (2004-04-06),
3. 6349838 - Plastic bottle and method of producing the same (2002-02-26),
4. 6099924 - Laminate and container made of the same (2000-08-08),
5. 6090334 - Heat-resistance pressure-resistance and self standing container and (2000-07-18),
6. 6042906 - Flavor-retaining plastic multi-layer container (2000-03-28),
7. 5906286 - Heat-resistant pressure-resistant and self standing container and method (1999-05-25),
8. 5876814 - Method of preventing a container from becoming colored by the container (1999-03-02),
9. 5798183 - Packaging material having excellent flavor retention (1998-08-25),
10. 5788926 - Plastic bottle and process for making the same (1998-08-04),
11. 5747633 - Resin composition having improved mechanical properties and (1998-05-05),
12. 5735420 - Biaxially-stretch-blow-molded container having excellent heat resistance (1998-04-07),
13. 5611987 - Process for producing biaxially drawn plastic bottles having excellent (1997-03-18),
14. 5585065 - Biaxially-stretch-blow-molded container having excellent heat resistance (1996-12-17),
15. 5436043 - Frosted plastic container and process for producing the same (1995-07-25),

Title: Yoshitsugu Maruhashi: Pioneering Inventor from Yokohama

Introduction: Yoshitsugu Maruhashi is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Maruhashi's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable health monitoring devices, and sustainable energy solutions.

Career Highlights: With over two decades of experience in research and development, Maruhashi has worked with leading tech companies in Japan, spearheading projects that have revolutionized various industries.

Collaborations: Throughout his career, Maruhashi has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Yoshitsugu Maruhashi's dedication to pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and creators worldwide.

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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