Company Filing History:

18 out of 42,485

Hitachi, Ltd.

patents

1 out of 162

Hitachi Engineering Co., Ltd.

where one patent can have more than one assignee

Years Active: 1986-1997

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5640435 - Fuel assembly and nuclear reactor (1997-06-17),

2. 5617456 - Fuel assembly and nuclear reactor (1997-04-01),

3. 5528641 - Fuel assembly (1996-06-18),

4. 5490192 - Fuel assembly (1996-02-06),

5. 5432829 - Fuel assembly and reactor core (1995-07-11),

6. 5388132 - Nuclear fuel assembly and core (1995-02-07),

7. 5299244 - Fuel assembly (1994-03-29),

8. 5272741 - Nuclear fuel assembly (1993-12-21),

9. 5207979 - Nuclear fuel assemblies and reactor cores including them (1993-05-04),

10. 5176877 - Nuclear fuel assembly and nuclear reactor core containing said assembly (1993-01-05),

11. 5167911 - Fuel assembly and boiling water reactor (1992-12-01),

12. 5008070 - Fuel assembly (1991-04-16),

13. 4876062 - Fuel assembly (1989-10-24),

14. 4851181 - Light water moderation type nuclear reactor (1989-07-25),

15. 4832906 - Fuel assembly (1989-05-23),

Title: Yasunori Bessho: Innovator in Nuclear Reactor Technology

Introduction

Yasunori Bessho is a prominent inventor based in Mito, Japan. He has made significant contributions to the field of nuclear reactor technology, holding a total of 18 patents. His work focuses on enhancing the efficiency and safety of fuel assemblies in nuclear reactors.

Latest Patents

One of Bessho's latest patents involves a novel design for a fuel assembly and nuclear reactor. In this design, the lower end of each fuel rod is supported by a fuel supporting portion of a lower tie plate. This supporting portion includes multiple second coolant paths that supply coolant from below to a first coolant path located above the fuel supporting portion and between the fuel rods. Notably, the total cross-sectional area of all second coolant paths is smaller than that of the first coolant path. Additionally, a water rod situated between the fuel rods features an ascending tube path with a coolant inlet port that opens to a region below the fuel supporting portion. This design allows for efficient upward coolant flow, while a descending tube guides the coolant downward to the first coolant path, ensuring effective coolant circulation.

Career Highlights

Throughout his career, Yasunori Bessho has worked with notable companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in nuclear technology.

Collaborations

Bessho has collaborated with esteemed colleagues in the field, including Motoo Aoyama and Sadao Uchikawa. Their combined expertise has contributed to advancements in nuclear reactor design and functionality.

Conclusion

Yasunori Bessho's contributions to nuclear reactor technology through his innovative patents and collaborations highlight his importance in the field. His work continues to influence the development of safer and more efficient nuclear energy solutions.

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