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For the Inventor, By the Inventor

Hitachi, Japan

Masaichi Nagai

USPTO Granted Patents = 12

Average Co-Inventor Count = 7.5

ph-index = 8

Forward Citations = 169(Granted Patents)


Company Filing History:

goldMedal12 out of 42,508 
 
Hitachi, Ltd.
 patents

Years Active: 1987-2000

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12 patents (USPTO):Explore Patents
1. 6127210 - Manufacturing method of CMOS thin film semiconductor device and CMOS (2000-10-03),
2. 5583840 - ROM type optical recording medium with a high reflectivity and an (1996-12-10),
3. 5572502 - Optical disk apparatus (1996-11-05),
4. 5484686 - Optical recording media and information recording and reproducing units (1996-01-16),
5. 5475656 - Optical disk memory and information processing apparatus (1995-12-12),
6. 5420845 - Methods of varying optical properties, optical devices, information (1995-05-30),
7. 5371730 - Optical memory and information processing apparatus (1994-12-06),
8. 5317556 - Information processing apparatus and optical head incorporated therein (1994-05-31),
9. 5274612 - Information processor and disk memory used in the same (1993-12-28),
10. 5187052 - Optical recording medium (1993-02-16),
11. 4668591 - Magnetic separator matrix of cut pieces of an elongated crystalline (1987-05-26),
12. 4651172 - Information recording medium (1987-03-17),

As a client interested in the remarkable inventor Masaichi Nagai, who has made a significant impact on the world of innovation, I would like to know more about his accomplishments.

Title: The Legacy of Masaichi Nagai: Pushing Technological Boundaries

Introduction: Masaichi Nagai, a distinguished inventor based in Hitachi, Japan, has left a lasting legacy in the realm of technology. His innovative spirit continues to inspire future generations to explore the frontiers of what is achievable.

Latest Patents:

1. **Manufacturing method of CMOS thin film semiconductor device:** This patent showcases a simple and convenient method for manufacturing a CMOS TFT semiconductor circuit device. By inverting the conductivity type of the doping layer, Nagai has revolutionized the manufacturing process.

2. **ROM type optical recording medium with high reflectivity:** Nagai's optical information handling device sets a new standard by ensuring the reflectivity of optical disks is compatible for interchangeability. This innovation bridges the gap between different types of optical disks.

Career Highlights: With an impressive number of 12 patents to his name, Masaichi Nagai has shown unwavering dedication to advancing technology. Working at Hitachi, Ltd., Nagai has been at the forefront of cutting-edge developments in the field.

Collaborations: Nagai's journey of innovation has been enriched by collaborations with esteemed colleagues such as Yoshihito Maeda and Isao Ikuta. Together, they have pushed the boundaries of what is possible in the world of technology.

Conclusion: Masaichi Nagai's contributions to the world of innovation are truly remarkable. His inventions have not only shaped the present but also paved the way for a future where technological possibilities are endless. Nagai's legacy serves as a beacon of inspiration for aspiring inventors and innovators around the globe.

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