IDiyas

For the Inventor, By the Inventor

Ibaraki, Japan

Iwao Takase

USPTO Granted Patents = 10

Average Co-Inventor Count = 7.3

ph-index = 7

Forward Citations = 147(Granted Patents)


Location History:

  • Tohkai, JP (1987)
  • Toukai, JP (1988 - 1994)
  • Ibaraki, JP (1989 - 1999)
  • Tokai-mura, JP (1999)

Company Filing History:

goldMedal10 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 1987-1999

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10 patents (USPTO):Explore Patents
1. 5872826 - Fuel assembly channel box having burnable poison (1999-02-16),
2. 5862194 - Zirconium based alloy of low irradiation growth, method of producing the (1999-01-19),
3. 5304261 - Method of fabricating a channel box or other part for a nuclear reactor (1994-04-19),
4. 5225154 - Fuel assembly for nuclear reactor, method for producing the same and (1993-07-06),
5. 5223211 - Zirconium based alloy plate of low irradiation growth, method of (1993-06-29),
6. 4842814 - Nuclear reactor fuel assembly (1989-06-27),
7. 4810461 - Zirconium-based alloy with high corrosion resistance (1989-03-07),
8. 4718949 - Method of producing a cladding tube for reactor fuel (1988-01-12),
9. 4689091 - Process for producing zirconium-based alloy (1987-08-25),
10. 4678521 - Process for producing zirconium-based alloy and the product thereof (1987-07-07),

Title: Iwao Takase: Innovator in Nuclear Reactor Technology

Introduction

Iwao Takase is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of nuclear reactor technology, holding a total of 10 patents. His work focuses on enhancing the safety and efficiency of nuclear fuel assemblies.

Latest Patents

One of Takase's latest patents is for a fuel assembly channel box that incorporates burnable poison. This innovative design allows for proper control of excess reactivity in a mixed oxide (MOX) fuel assembly without the need to mix neutron absorbers or burnable poisons into the fuel rods. Additionally, the channel box is designed to prevent any gaps between the box and the burnable poison members, ensuring that the poison does not come into direct contact with reactor water. Another notable patent involves a zirconium-based alloy that exhibits low irradiation growth. This alloy is characterized by minimal deformation due to irradiation, making it ideal for use in atomic reactor fuel assemblies.

Career Highlights

Iwao Takase has built a successful career at Hitachi, Ltd., where he has been instrumental in developing advanced technologies for nuclear reactors. His expertise in materials science and engineering has led to innovations that improve the performance and safety of nuclear fuel systems.

Collaborations

Throughout his career, Takase has collaborated with esteemed colleagues, including Masahisa Inagaki and Hideo Maki. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Iwao Takase's contributions to nuclear reactor technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in nuclear safety and efficiency.

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