This inventor holds 40 USPTO granted patents and 11 published patent applications and 12 EPO patents, primarily in Vehicle Control Systems. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toshiba Tec Kabushiki Kaisha, Aisin Seiki Kabushiki Kaisha. Active years: 1987-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Chita-gun, JP (1996)
- Kariya, JP (1987 - 2014)
- Kitanagoya, JP (2013 - 2014)
- Obu, JP (2014)
- Toyota, JP (2016)
- Miyoshi, JP (2018 - 2019)
- Nagoya, JP (1988 - 2021)
- Shizuoka-ken, JP (2008 - 2022)
- Sunto-gun, JP (2019 - 2022)
- Okazaki, JP (2021 - 2023)
- Yokohama Kanagawa, JP (2018 - 2024)
Company Filing History:
14 out of 39,010 
8 out of 6,290 
5 out of 5,207 
Years Active: 1987-2025
Areas of Expertise:
Title: Hiroshi Watanabe: Innovator in Advanced Ceramic and Magnetic Technologies
Introduction: Hiroshi Watanabe, a prominent inventor based in Nagoya, Japan, holds a remarkable portfolio of 39 patents. His contributions to the fields of ceramics and magnetics exhibit his dedication to innovation and technological advancement.
Latest Patents: Among Watanabe's latest patents are a sophisticated holding device and a revolutionary dust core. The holding device features a ceramic member made from sintered aluminum nitride, designed to securely hold objects while incorporating a metal heating resistor and an electrically conductive supply member. Additionally, the surface of the heating resistor is covered with a coat layer made of a nitride that includes metals such as aluminum, titanium, zirconium, vanadium, tantalum, or niobium. This invention showcases Watanabe's ingenuity in combining materials for enhanced performance.
His dust core invention addresses the reduction of iron loss, using soft magnetic metal particles sized between 5 μm to 30 μm. The inclusion of a polycrystalline compound containing aluminum in the particle boundary phase significantly reduces iron loss, with specific structural parameters carefully optimized for efficiency.
Career Highlights: Hiroshi Watanabe has made significant contributions during his tenure with leading companies, including Toyota Motor Corporation and Toshiba Tec Corporation. His work in these organizations has propelled advancements in their respective fields, particularly in developing innovative materials and technologies.
Collaborations: Throughout his career, Watanabe has collaborated with notable colleagues, such as Takahiro Hagiwara and Akihiro Mizutani. These partnerships have fostered a creative environment, leading to groundbreaking innovations that push the boundaries of current technologies.
Conclusion: Hiroshi Watanabe's extensive patent portfolio and collaborative efforts illustrate his significant impact on the fields of ceramics and magnetics. His commitment to innovation continues to influence technological advancements, making him a noteworthy figure in contemporary science and engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile