Company Filing History:

9 out of 598

Nippon Zeon Company, Ltd.

where one patent can have more than one assignee

Years Active: 1991-2000

Loading Chart...

9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6066380 - Disc medium substrate and disc device (2000-05-23),

2. 5585989 - Magnetic disc substrate and a magnetic disc using the same (1996-12-17),

3. 5580934 - Ring-opening hydrogenated copolymer and process for producing the same (1996-12-03),

4. 5191026 - Ring-opening hydrogenated copolymer and process for producing the same (1993-03-02),

5. 5143979 - Molding material (1992-09-01),

6. 5063096 - Optical disk (1991-11-05),

7. 5061771 - Ring-opened polymer from norbornene type of polycyclic monomer and (1991-10-29),

8. 5043395 - Novel optical material (1991-08-27),

9. 5034482 - Process for producing polymer by ring-opening polymerization (1991-07-23),

Title: The Innovative Contributions of Masayoshi Oshima

Introduction

Masayoshi Oshima is a notable inventor based in Niiza, Japan. He has made significant contributions to the field of magnetic disc technology, holding a total of 9 patents. His work has had a profound impact on the development of high-precision magnetic disc substrates.

Latest Patents

Oshima's latest patents include advancements in disc medium substrates and disc devices. One of his key innovations involves using a thermoplastic norbornene type plastic as a material for the magnetic disc substrate. This innovation allows for the creation of a magnetic disc substrate that exhibits minimal deformation and a high modulus of elasticity. By optimizing the thickness of the substrate, he has elevated the resonance frequency of the magnetic disc to levels surpassing the servo band. This enhancement enables the formation of servo marks with high positional precision, facilitating tracking with remarkable accuracy.

Career Highlights

Throughout his career, Masayoshi Oshima has worked with prominent companies such as Nippon Zeon Company, Ltd. and Sony Corporation. His experience in these organizations has contributed to his expertise in magnetic disc technology and innovation.

Collaborations

Oshima has collaborated with notable individuals in his field, including Teiji Kohara and Tadao Natsuume. These partnerships have further enriched his work and contributed to the advancements in magnetic disc technology.

Conclusion

Masayoshi Oshima's contributions to the field of magnetic disc technology are significant and impactful. His innovative patents and collaborations have paved the way for advancements that enhance the precision and performance of magnetic discs. His work continues to influence the industry and inspire future innovations.

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com

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.