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For the Inventor, By the Inventor

Yokkaichi, Japan

Mitsutoshi Aritomi

This inventor holds 25 USPTO granted patents, primarily in Polymer Chemistry. Top assignees: Mitsubishi Petrochemical Company Limited, Dai Nippon Toryo Co., Ltd., Mitsubishi Yuka Fine Chemicals Co., Ltd.. Active years: 1978-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsutoshi Aritomi. Retrieved from https://idiyas.com/inventor/mitsutoshi-aritomi

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

USPTO Granted Patents = 25

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 10

Forward Citations = 270(Granted Patents)


Location History:

  • Amimachi, JP (1979)
  • Ami, JP (1985 - 1990)
  • Ibaraki, JP (1978 - 1991)
  • Mie, JP (1993 - 1999)
  • Yokkaichi, JP (1992 - 2000)

Company Filing History:

goldMedal19 out of 546 
 
Mitsubishi Petrochemical Company Limited
 patents
silverMedal3 out of 116 
 
Dai Nippon Toryo Co., Ltd.
 patents
bronzeMedal3 out of 14 
 
Mitsubishi Yuka Fine Chemicals Co., Ltd.
 patents
4. 1 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
5. 1 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
6. 1 out of 2,423 
 
Mitsubishi Chemical Corporation
 patents
7. 1 out of 26 
 
Oji-Yuka Synthetic Paper Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1978-2000

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Areas of Expertise:
Modified Ethylene Resin
Porous Molded Article
Aminated Olefin Polymers
Thermoplastic Resin Composition
Graft-Modified Copolymers
Polyphenylene Ether
Functionalized Olefins
Optical Disc
Corrosion Resistant Coating
Oil-Modified Alkyd Resin
High-Build Coating
Polyhydroxyphenylene Ether
25 patents (USPTO):Explore Patents
1. 6160048 - Modified ethylene resin having improved wettability (2000-12-12),
2. 5939181 - Porous molded article (1999-08-17),
3. 5444125 - Aminated olefin polymers (1995-08-22),
4. 5424359 - Thermoplastic resin composition and process for preparing modified (1995-06-13),
5. 5334664 - Method for producing graft-modified copolymers (1994-08-02),
6. 5332801 - Process for preparing modified-polyphenylene ether (1994-07-26),
7. 5266673 - Process for producing a hydroxy-substituted poly(phenylene ether) resin (1993-11-30),
8. 5252677 - Functionalized olefin polymers (1993-10-12),
9. 5202409 - Polyhydroxyphenylene ether resin and process for preparing the same (1993-04-13),
10. 5191030 - Process for producing amino group terminated polyphenylene ether (1993-03-02),
11. 5177156 - Process for producing silane-modified polyphenylene ether and (1993-01-05),
12. 5128421 - Method for preparing hydroxyalkyl-functionalized polyphenylene ether (1992-07-07),
13. 5120800 - Process for preparing modified-polyphenylene ether (1992-06-09),
14. 5004800 - Aromatic polythioetherimide (1991-04-02),
15. 4923942 - Optical disc and method of manufacturing the same (1990-05-08),

Title: The Innovations of Mitsutoshi Aritomi

Introduction

Mitsutoshi Aritomi, an accomplished inventor based in Yokkaichi, Japan, has made significant contributions to the field of materials science with a remarkable portfolio of 25 patents. His work focuses on the modification of ethylene resins and the development of innovative porous molded articles.

Latest Patents

Among his latest patents is the "Modified Ethylene Resin Having Improved Wettability." This invention details a modified ethylene resin produced by subjecting an ethylene resin to modification with various components, including an alpha, beta-unsaturated carboxylic ester featuring a hydrocarbon-terminated polyalkylene oxide chain, an aromatic vinyl compound, and an ester of an alpha, beta-unsaturated carboxylic acid with an aliphatic alcohol. Additionally, Aritomi has developed an ethylene resin composition that consists of a modified ethylene resin and a surfactant in specific weight ratios. Another notable patent is for a "Porous Molded Article," characterized by having microvoids within a stretched product of a resin molded material, which comprises a unique olefinic resin composition.

Career Highlights

Mitsutoshi Aritomi has held positions at prominent companies such as Mitsubishi Petrochemical Company Limited and Mitsubishi Yuka Fine Chemicals Co., Ltd. His extensive experience in these organizations has allowed him to advance his research and push the boundaries of material innovation.

Collaborations

Throughout his career, Aritomi has collaborated with other talented individuals, including Yusuke Arashiro and Toru Tsukahara. These partnerships have fostered an environment of innovation, contributing to the quality and impact of their collaborative projects.

Conclusion

Mitsutoshi Aritomi's contributions to the field of material science, through his numerous patents and collaborative efforts, exemplify his role as a significant inventor in the industry. His innovations continue to pave the way for advancements in polymer technology and material applications.

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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