Company Filing History:

13 out of 42,485

Hitachi, Ltd.

patents

1 out of 1,267

Hitachi Koki Co., Ltd.

patents

1 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1978-1997

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5644554 - Magnetic head load/unload device, method and a magneto-optical disk (1997-07-01),

2. 5511050 - Focus error detecting method and optical head using the same (1996-04-23),

3. 5396477 - Light spot positioning method and optical disc memory apparatus (1995-03-07),

4. 5235591 - Stack type optical disc apparatus, sealed and separate type optical head (1993-08-10),

5. 5161046 - Beam position control apparatus (1992-11-03),

6. 5034941 - Optical disk apparatus having auto-focusing servo systems for multiple (1991-07-23),

7. 4970707 - Optical tape apparatus with a tracking control mechanism and/or a (1990-11-13),

8. 4866687 - Optical disc access method and optical disk storage using coarse and (1989-09-12),

9. 4745587 - Eccentricity correction during optical head accessing of a desired track (1988-05-17),

10. 4736353 - Disc accessing using coarse and fine actuators with the fine actuator (1988-04-05),

11. 4731771 - Tracking servo setting method and apparatus (1988-03-15),

12. 4710909 - Phase compensation apparatus for an optical information recording and (1987-12-01),

13. 4120042 - Magnetic bubble information writing device (1978-10-10),

14. 4095481 - Joint mechanism of manipulator (1978-06-20),

Title: Masuo Kasai: A Pioneer in Technological Advancement

Introduction:

Masuo Kasai, hailing from Hachioji, Japan, is a prominent figure in the world of inventors, known for his remarkable contributions to technological innovation. With 14 patents to his name, Kasai's inventive spirit has left a lasting impact on the landscape of inventions.

Latest Patents:

Among his latest patents is the groundbreaking invention of a Magnetic Head Load/Unload Device for magneto-optical disks. This device demonstrates Kasai's ingenuity in creating a mechanism that allows for the precise loading and unloading of magnetic heads onto disk surfaces, showcasing his expertise in precision engineering.

Career Highlights:

With a career marked by a relentless pursuit of technological advancement, Kasai has established himself as a trailblazer in the field of inventions. His commitment to pushing the boundaries of what is possible has led to the development of innovative solutions that have revolutionized various industries.

Collaborations:

Throughout his career, Kasai has collaborated with esteemed companies such as Hitachi, Ltd., where he has worked alongside talented individuals like Takeshi Maeda and Shigeru Nakamura. These collaborations have fostered a culture of innovation and excellence, leading to the successful realization of groundbreaking inventions.

Conclusion:

In conclusion, Masuo Kasai stands as a beacon of innovation, inspiring future generations of inventors with his inventive spirit and technological prowess. His contributions to the world of inventions have not only shaped the industry today but also paved the way for a future filled with limitless possibilities.

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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.