Company Filing History:

7 out of 42,488

Hitachi, Ltd.

Hitachi Denshi Kabushiki Kaisha

patents

5. 1 out of 3

Health Sensing Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1977-2021

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11089993 - Device and method for measuring sleep state, phase coherence calculation device, body vibration signal measurement device, stress level measurement device, sleep state measurement device, and cardiac waveform extraction method (2021-08-17),

2. 7221399 - Imaging apparatus with a multifocal lens formed of two pieces with different focal lengths (2007-05-22),

3. 4442456 - Solid-state imaging device (1984-04-10),

4. 4322740 - Solid-state color imaging camera (1982-03-30),

5. 4307319 - Semiconductor layer of oxygen depletion type cerium oxide or lead oxide (1981-12-22),

6. 4253039 - Image pickup tube with rectangular support plate for stripe filter (1981-02-24),

7. 4242373 - Method for vapor depositing a cerium oxide film (1980-12-30),

8. 4043748 - Evaporation boats for use in vapor deposition (1977-08-23),

9. 4040985 - Photoconductive films (1977-08-09),

Title: Tsutomu Fujita: A Trailblazer in Innovation

Introduction: Tsutomu Fujita, a visionary inventor hailing from Mobara, Japan, has left an indelible mark on the world of technology through his relentless pursuit of innovation. His passion for creating a better future through groundbreaking inventions has inspired generations of inventors and innovators worldwide.

Latest Patents: Tsutomu Fujita has amassed a total of 9 patents throughout his illustrious career. Among his latest inventions are a variety of cutting-edge devices aimed at revolutionizing different aspects of life. One notable patent is a "Device and method for measuring sleep state," designed to simplify the measurement and evaluation of sleep states. Another innovative creation is an "Imaging apparatus with a multifocal lens," which enables high-precision imaging of objects at various distances.

Career Highlights: Tsutomu Fujita has made significant contributions to the field of technology through his work with renowned companies such as Hitachi, Ltd. and Nippon Hoso Kyokai. His innovative spirit and dedication to pushing the boundaries of what is possible have led to the development of groundbreaking solutions that have the potential to reshape industries.

Collaborations: Throughout his career, Tsutomu Fujita has collaborated with esteemed colleagues such as Masatomo Kanegae and Keiichi Shidara. Together, they have worked on innovative projects that have garnered acclaim for their visionary approach and technological sophistication.

Conclusion: Tsutomu Fujita's unwavering commitment to innovation and his pioneering spirit have established him as a true trailblazer in the world of inventions. His groundbreaking patents and collaborative efforts continue to inspire and shape a brighter tomorrow for generations to come.

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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.