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For the Inventor, By the Inventor

Nara, Japan

Masatoshi Yoshida

USPTO Granted Patents = 18

Average Co-Inventor Count = 3.8

ph-index = 9

Forward Citations = 171(Granted Patents)


Location History:

  • Suita, JP (1987)
  • Nara, JP (1995 - 2004)
  • Osaka, JP (1992 - 2019)

Company Filing History:

goldMedal14 out of 1,331 
 
Nippon Shokubai Co., Ltd.
 patents
silverMedal2 out of 229 
 
Oji Paper Co., Ltd.
 patents
bronzeMedal2 out of 236 
 
Nippon Shokubai Kagaku Kogyo Co., Ltd.
 patents
4. 2 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987-2019

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18 patents (USPTO):Explore Patents
1. 10508169 - Curable resin and producing process therefor (2019-12-17),
2. 6774192 - Photosensitive resin composition, its use, lactone-ring-containing polymer, and production process therefor (2004-08-10),
3. 6730711 - Method for production of porous cross-linked polymer material (2004-05-04),
4. 6710150 - Protolytically leaving group-containing copolymer and process for its production (2004-03-23),
5. 6310175 - Star-shaped block copolymer and production process therefor (2001-10-30),
6. 6291133 - Photosensitive resin composition and flexographic resin plate (2001-09-18),
7. 6207762 - Thermally reversible crosslinked matter and its use (2001-03-27),
8. 5869598 - Block polymer thermoplastic addition polymer and their production (1999-02-09),
9. 5811591 - Process of producing hydroxyalkanal (1998-09-22),
10. 5691416 - (Meth)acrylate polymer particles dispersed in epoxy resin (1997-11-25),
11. 5679762 - Block polymer, thermoplastic addition polymer, and their production (1997-10-21),
12. 5574117 - Acrylic polymer, its use and process for producing it (1996-11-12),
13. 5498670 - Coating compositions containing crosslinked spherical fine particles (1996-03-12),
14. 5417164 - Thermosensitive recording material and thermosensitive recording method (1995-05-23),
15. 5284900 - Aqueous crosslinkable resin dispersions, method of their production and (1994-02-08),

Title: Masatoshi Yoshida: Innovator in Resin Technology

Introduction

Masatoshi Yoshida is a prominent inventor based in Nara, Japan, known for his significant contributions to the field of resin technology. With a total of 18 patents to his name, Yoshida has made remarkable advancements that have impacted various industries.

Latest Patents

Yoshida's latest patents include a curable resin and its production process. This curable resin is obtained by reacting a polybasic anhydride with a reaction product of an epoxy resin and a phenol compound that has an alcoholic hydroxyl group and an unsaturated monobasic acid. The epoxy resin used has a softening point of 93°C or higher. Another notable patent is for a photosensitive resin composition, which can form uniform coating films with higher strength without causing surface contamination or unevenness. This composition includes a lactone-ring-containing polymer, which is produced through simultaneous polymerization of comonomers and lactonization.

Career Highlights

Throughout his career, Yoshida has worked with notable companies such as Nippon Shokubai Co., Ltd. and Oji Paper Co., Ltd. His work in these organizations has allowed him to develop innovative solutions in resin technology.

Collaborations

Yoshida has collaborated with esteemed colleagues, including Masuji Izubayashi and Nobuhiro Kobayashi. These partnerships have further enhanced his research and development efforts.

Conclusion

Masatoshi Yoshida's contributions to resin technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative work continues to influence advancements in various applications.

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