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For the Inventor, By the Inventor

Tajimi, Japan

Tsutomu Kito

USPTO Granted Patents = 16

Average Co-Inventor Count = 3.6

ph-index = 13

Forward Citations = 470(Granted Patents)


Location History:

  • Josai, Nishi-ku, Nagoya-shi, Aichi, JP (1984)
  • Tajimi-shi, Gifu, JP (1989)
  • Gifu, JP (1988 - 1992)
  • Tajimi, JP (1992 - 1999)
  • Aichi, JP (1998 - 2002)

Company Filing History:

goldMedal13 out of 175 
 
The Pilot Ink Co., Ltd.
 patents
silverMedal1 out of 1,865 
 
Kuraray Co., Ltd.
 patents
bronzeMedal1 out of 1 
 
The Pilot Inc Co., Ltd.
 patent
4. 2 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1984-2002

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16 patents (USPTO):Explore Patents
1. 6498203 - Rubber-erasable aqueous ink for writing material composition and writing materials using the same (2002-12-24),
2. 5932992 - Method for energizing energization-operated toy element and (1999-08-03),
3. 5879443 - Temperature-sensitive color-memorizing microencapsulated pigment (1999-03-09),
4. 5785746 - Preparation method for shear-thinning water-based ball-point pen inks (1998-07-28),
5. 5721059 - Temperature-dependent color/transparency storing resin composition and (1998-02-24),
6. 5716253 - Thermally color-changeable toy (1998-02-10),
7. 5585425 - Thermochromic opaque/transparent composition, laminate member employing (1996-12-17),
8. 5490956 - Thermochromic opaque composition, laminate member employing the same, (1996-02-13),
9. 5153066 - Temperature-sensitive color-changeable composite fiber (1992-10-06),
10. 5085607 - Toy that stably exhibits different colors with indicator for proper (1992-02-04),
11. 5079049 - Artificial plant that stably exhibits different colors (1992-01-07),
12. 5011445 - Color memory toy set (1991-04-30),
13. 4865648 - Reversible heat sensitive recording composition (1989-09-12),
14. 4732810 - Reversible temperature-indicating composition (1988-03-22),
15. 4720301 - Reversible heat sensitive recording composition (1988-01-19),

Title: The Innovative Mind of Tsutomu Kito

Introduction

Tsutomu Kito is a prominent inventor based in Tajimi, Japan. He has made significant contributions to the field of writing materials and toy technology. With a total of 16 patents to his name, Kito's work showcases his innovative spirit and dedication to advancing technology.

Latest Patents

Among his latest patents is the development of a rubber-erasable aqueous ink for writing material composition. This innovative ink contains water, a water-soluble polar solvent, and a particulate adhesive colored resin. The resin is designed to have a specific particle diameter distribution, ensuring that at least 70% of the particles fall within the range of 2 µm to 20 µm. Another notable patent involves a method for energizing an energization-operated toy element. This method utilizes an electric double layer capacitor as the power source, allowing for efficient operation of toy elements with low voltage. The capacitor charges from a DC power source and discharges to energize the toy load.

Career Highlights

Throughout his career, Tsutomu Kito has worked with various companies, including Pilot Ink Co., Ltd. His experience in the industry has allowed him to develop innovative products that enhance user experience in both writing and play.

Collaborations

Kito has collaborated with notable individuals such as Yutaka Shibahashi and Norikazu Nakasuji. These partnerships have contributed to the success of his inventions and the advancement of technology in his field.

Conclusion

Tsutomu Kito's contributions to innovation in writing materials and toy technology highlight his role as a leading inventor. His patents reflect a commitment to improving everyday products through creative solutions.

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