Company Filing History:
4 out of 836 
1 out of 42,485 
Years Active: 1989-2004
Title: **Innovative Contributions of Norihiro Ashizuka**
Introduction
Norihiro Ashizuka, an esteemed inventor based in Ibaraki, Japan, has made significant strides in the field of semiconductor technology. With a remarkable portfolio boasting four patents, his inventions have been integral to advancements in electronic devices.
Latest Patents
Ashizuka's most recent patents showcase his expertise in the semiconductor domain. These include a BGA (Ball Grid Array) type semiconductor device, a tape carrier for semiconductor devices, and a semiconductor device utilizing the aforementioned tape carrier. The BGA type semiconductor device is designed with a unique insulating film made of photosolder resist (PSR) that enhances the construction by preventing mold resin flow into the via hole for a solder ball during sealing. Furthermore, he has developed a fiber optic rotation sensor that integrates a temperature sensor and a logic circuit, effectively adapting to varying ambient temperatures. This innovative sensor selects appropriate correlation maps to provide precise angular velocity readings, enhancing the functionality and accuracy of optical systems.
Career Highlights
Throughout his career, Ashizuka has contributed his talents to prominent organizations, including Hitachi Cable, Inc. and Hitachi, Ltd. His work in these companies has allowed him to push the boundaries of semiconductor technology and develop solutions that meet the evolving needs of the industry.
Collaborations
Ashizuka has had the pleasure of working alongside notable colleagues, including Hisao Iizuka and Shigetoshi Hiratsuka. Their collaboration has fostered a creative environment resulting in innovative solutions and advancements in their respective fields.
Conclusion
Norihiro Ashizuka's contributions to the realm of semiconductor innovations have made a lasting impact on the industry. His patents reflect a commitment to excellence and a drive to enhance the efficiency and functionality of electronic devices. With continued efforts, Ashizuka is poised to remain a significant figure in the landscape of technology 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.