Location History:
- Saitama, JP (1983 - 1987)
- Hanyu, JP (1992 - 1998)
Company Filing History:
3 out of 2,333 
1 out of 7 
1 out of 937 
Years Active: 1983-1998
Title: Nobuo Kakinuma: Innovator in Speaker and Weaving Machine Technologies
Introduction
Nobuo Kakinuma is a notable inventor based in Hanyu, Japan. He has made significant contributions to the fields of audio technology and weaving machinery. With a total of 5 patents to his name, Kakinuma's work showcases his innovative spirit and technical expertise.
Latest Patents
Kakinuma's latest patents include a speaker featuring a magnetic circuit and a weft winder for weaving machines. The speaker design incorporates a ring-shaped soft ferrite core and a co-axially disposed ring-shaped bond magnet, creating two magnetic gaps that enhance sound quality. The weft winder is designed with a non-magnetic, hollow-cylindrical outer frame and a rotor that is rotatably supported, featuring a unique arrangement of magnet members that optimize the weaving process.
Career Highlights
Throughout his career, Kakinuma has worked with prominent companies such as Hitachi Metals, Ltd. and 501 Hitachi Metals, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Kakinuma has collaborated with notable coworkers, including Masao Ogata and Kei Tanabe. Their combined expertise has likely fostered a creative environment that encourages innovation and the development of new technologies.
Conclusion
Nobuo Kakinuma's contributions to speaker technology and weaving machinery highlight his role as a significant inventor in Japan. His innovative designs and collaborations with industry professionals continue to influence the fields in which he works.