EPO Patents = 9 (Patent Applications = 6)

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 71(Granted Patents)

Location History:

Tokyo, JP (2016)
Akron, OH (US) (2016 - 2017)
Annaka, JP (2012 - 2024)

Company Filing History:

14 out of 5,966

Shin-etsu Chemical Co., Ltd.

Shin-etsu Polymer Co., Ltd.

Mitsubishi Gas Chemical Company, Inc.

patents

where one patent can have more than one assignee

Years Active: 2012-2025

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12202925 - Organopolysiloxane, ultraviolet-curable silicone composition and cured product (2025-01-21),

2. 12139585 - Silicone particle and method for producing the same (2024-11-12),

3. 11987688 - Photocurable composition, a hydrogel and a molded product thereof (2024-05-21),

4. 10793679 - Radically curable organosiloxane graft polyvinyl alcohol polymer and process for producing same (2020-10-06),

5. 10208138 - Organosiloxane graft polyvinyl alcohol polymer and method of producing the same (2019-02-19),

6. 9567352 - Tris(trimethyl siloxy)silane vinylic monomers and uses thereof (2017-02-14),

7. 9475827 - Tris(trimethyl siloxyl)silane vinylic monomers and uses thereof (2016-10-25),

8. 9434819 - Hydrophilized silicone particles and making method (2016-09-06),

9. 8710157 - Contact lens material (2014-04-29),

10. 8501878 - Method for producing polycarbonate material having excellent solubility and affinity, and contact lens material comprising the same (2013-08-06),

11. 8419840 - Air-conditioning system (2013-04-16),

12. 8404882 - One-terminal reactive organopolysiloxane having a polyalkyleneoxide group at the omega-terminal and a method for the preparation thereof (2013-03-26),

13. 8394183 - Asymmetric membrane and air-conditioning system using the same (2013-03-12),

14. 8288493 - (meth)acrylic-modified siloxane compounds (2012-10-16),

Title: **Mamoru Hagiwara: Innovator in Silicone Technology**

Introduction

Mamoru Hagiwara, a distinguished inventor based in Annaka, Japan, has made significant contributions to the field of silicone technology. With a remarkable portfolio of 14 patents, Hagiwara's work has continuously pushed the boundaries of innovation in materials science, particularly in the development of organopolysiloxane and silicone particles.

Latest Patents

Hagiwara's recent patents include two notable inventions:

1. **Organopolysiloxane, Ultraviolet-Curable Silicone Composition and Cured Product** - This invention provides an exceptionally convenient ultraviolet-curable organopolysiloxane that shows no surface curing inhibition despite being cured in atmospheric conditions. The composition includes a cured product that exemplifies the utility and efficiency of the organopolysiloxane.

2. **Silicone Particle and Method for Producing the Same** - This patent describes a silicone particle that encompasses a dialkylsiloxane unit and a poly(alkyleneoxyalkyl)methylsiloxane unit. This innovative silicone particle, which features a hydrophilic group, can be easily dispersed in aqueous materials without the addition of dispersants or surfactants, presenting a breakthrough in silicone applications.

Career Highlights

Hagiwara has been associated with notable organizations such as Shin-Etsu Chemical Co., Ltd. and Novartis AG. His career reflects a commitment to advancing silicone technologies, which are crucial in various industries including electronics, automotive, and pharmaceuticals.

Collaborations

Throughout his career, Mamoru Hagiwara has worked alongside esteemed colleagues such as Masahiko Minemura and Frank Chang. These collaborations have enabled him to share knowledge and expertise, further enhancing his innovative capabilities in the field of silicone chemistry.

Conclusion

Mamoru Hagiwara's innovative work in organopolysiloxane and silicone particles exemplifies his commitment to enhancing material science. With 14 patents to his name, he continues to influence the industry, paving the way for future advancements in silicone technology. His contributions are not only significant in academia but also hold importance in practical applications across various sectors.

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9 patents (EPO):

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6 patents pending (EPO):

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