Company Filing History:

9 out of 42,485

Hitachi, Ltd.

patents

1 out of 162

Hitachi Engineering Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1986-1993

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5178836 - Analytical method for particulate substances, relevant analytical (1993-01-12),

2. 5164592 - Method and apparatus for mass spectrometric analysis (1992-11-17),

3. 5122752 - Method of and apparatus for analyzing granular materials (1992-06-16),

4. 5084235 - Direct cycle-type atomic power plant with means for suppressing transfer (1992-01-28),

5. 5070300 - Apparatus for measuring breakdown plasma (1991-12-03),

6. 4894202 - Method of inhibiting radioactive substances from eluting into cooling (1990-01-16),

7. 4853638 - Water quality control method, and method and apparatus for measuring (1989-08-01),

8. 4777367 - Method and apparatus for measuring the distribution of radioactivity (1988-10-11),

9. 4581196 - Method of and apparatus for controlling output power of nuclear reactor (1986-04-08),

Title: The Innovative Contributions of Masaharu Sakagami

Introduction

Masaharu Sakagami is a prominent inventor based in Katsuta, Japan. He has made significant contributions to the field of analytical methods and mass spectrometric analysis, holding a total of nine patents. His work has advanced the understanding and analysis of particulate substances, showcasing his expertise and innovative spirit.

Latest Patents

One of Sakagami's latest patents is an analytical method for particulate substances. This invention relates to an analytical method and relevant equipment for detecting acoustic waves generated in a sample when irradiated with light. The method involves setting the light power density high enough to exceed the breakdown threshold of the particulate substances while remaining below that of the media. This allows for the counting of particulate substances by detecting the acoustic waves produced during their breakdown. Additionally, the components of these substances can be analyzed based on the emission spectrum detected from the light generated by the breakdown.

Another notable patent is a method and apparatus for mass spectrometric analysis. In this invention, the power density of a pulsed laser beam is adjusted to break down a sample into plasma form. This momentary breakdown generates high-charge ions, which, after a certain time, recombine with electrons to form monovalent or low valent ions. These ions are then extracted from the plasma and introduced into a mass spectrometric apparatus for analysis.

Career Highlights

Throughout his career, Masaharu Sakagami has worked with esteemed companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has contributed to his development as an inventor and researcher in the field of analytical methods.

Collaborations

Sakagami has collaborated with notable coworkers, including Takehiko Kitamori and Kenji Yokose. Their joint efforts have likely fostered innovation and advancements in their respective fields.

Conclusion

Masaharu Sakagami's contributions to analytical methods and mass spectrometric analysis have significantly impacted the scientific community. His innovative patents and career achievements reflect his dedication to advancing technology and understanding in his field.

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