This inventor holds 34 USPTO granted patents and 1 EPO patent, primarily in Hybrid Integrated Circuits. Top assignees: Shin-Etsu Chemical Co., Ltd., Sanyo Electric Co., Ltd., Shin-Estu Chemical Co., Ltd.. Active years: 1982-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Joetsu, JP (1982)
- Ohta, JP (1992 - 1994)
- Usui-gun, JP (2000)
- Selangor, MY (2001)
- Gunma, JP (1987 - 2004)
- Annaka, JP (1983 - 2011)
Company Filing History:
25 out of 5,989 
8 out of 8,782 
1 out of 24 Years Active: 1982-2011
Areas of Expertise:
Title: **Hisashi Shimizu: A Pioneer in Silicone Resin Innovations**
Introduction
Hisashi Shimizu, based in Annaka, Japan, is an innovative inventor renowned for contributing significantly to the field of silicone resin technology. With an impressive portfolio of 34 patents, Shimizu has made strides in creating materials that enhance the performance and longevity of optoelectronic devices.
Latest Patents
Shimizu's latest patents reflect his dedication to advancing silicone materials. One noteworthy invention is a white heat-curable silicone resin composition that comprises a heat-curable organopolysiloxane, a white pigment, an inorganic filler, and a curing catalyst. This formulation allows for transfer or compression molding at elevated temperatures, resulting in a product that boasts heat resistance, light resistance, and minimal yellowing. These properties make it particularly well-suited as a case for encapsulating optoelectronic components.
Additionally, he has developed a method for producing high molecular weight organopolysiloxane, which is characterized by stability and resistance to gelling and cracking, even when formed into thick films. This high molecular weight organopolysiloxane, used in a resin composition with a condensation catalyst, plays a crucial role in sealing optical elements and producing optical semiconductor devices.
Career Highlights
Shimizu has had a remarkable career, working with prominent companies such as Shin-Etsu Chemical Co., Ltd. and Sanyo Electric Co., Ltd. His innovations have pushed the boundaries of silicone resin applications, and his commitment to research and development continues to influence the industry.
Collaborations
Throughout his career, Shimizu has collaborated with talented individuals, including Toshio Shiobara and Kazutoshi Tomiyoshi. These partnerships have fostered an environment of creativity and innovation, further contributing to his successful inventions.
Conclusion
Hisashi Shimizu stands out as a true innovator in the field of silicone resins. His patents not only underline his expertise but also highlight his contributions to modern technology, particularly in optoelectronics. As the industry evolves, Shimizu's work will undoubtedly inspire future advancements in materials science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile