Location History:
- Hitachi, JA (1978)
- Hitachi, JP (1983 - 1995)
Company Filing History:
19 out of 42,485 
2 out of 17 
1 out of 1,641 Years Active: 1978-1995
Title: Katuo Sugawara – A Pioneer in Electrical Engineering Innovations
Introduction
Katuo Sugawara, based in Hitachi, Japan, is a renowned inventor with a remarkable portfolio of 19 patents. His innovations primarily focus on enhancing the efficiency and durability of electrical components, particularly in the field of rotating electrical machines and electrophotography. Sugawara's work has significantly influenced both industrial applications and technological advancements.
Latest Patents
Among his most recent patents is the invention of electrically insulated coils and a method of manufacturing them. These coils are designed to exhibit excellent moisture and water resistance by utilizing a simple, readily available material. The manufacturing process results in rotating electric machines, such as motors used for driving pumps and traction motors in rolling stock, that are well-suited for outdoor applications. The coils are treated with a fluorine-containing coating on the exposed areas, creating a uniform hydrophobic layer. This innovation ensures that the rotating electrical machines incorporating these coils maintain outstanding performance in adverse weather conditions.
Another notable patent by Sugawara is a photosensitive element for electrophotography. This element features an electrically conductive substrate with a layered structure that incorporates a charge generating substance and a charge transport substance. A key aspect of his improvement involves a derivative of triphenylamine, where a significant majority of electrons reside within the highest occupied molecular orbital of the triphenylamine skeleton. Such innovations advance the efficiency and performance of electrophotographic processes.
Career Highlights
Katuo Sugawara has had an illustrious career, marked by significant contributions to electrical engineering. He has worked with prominent companies known for their technological advancements, including Hitachi, Ltd. and Shikoku Electric Power Co., Inc. His role in these organizations has enabled the development and commercialization of groundbreaking electrical solutions that continue to impact various industries.
Collaborations
Throughout his career, Sugawara has collaborated with esteemed colleagues such as Akio Takahashi and Toshikazu Narahara. These partnerships have fostered a creative environment conducive to innovation, allowing for the pooling of ideas and expertise that has resulted in several successful projects and patents.
Conclusion
Katuo Sugawara exemplifies the spirit of innovation in electrical engineering. With his extensive patent portfolio and collaborative efforts, he has made lasting contributions to the field, particularly in the design of moisture-resistant electrical components and advanced electrophotographic technologies. Sugawara's work continues to inspire future generations of inventors and engineers in their quest for excellence and innovation.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.