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For the Inventor, By the Inventor

Fukuoka, Japan

Mitsuhiko Furukawa

USPTO Granted Patents = 17 

Average Co-Inventor Count = 4.9

ph-index = 11

Forward Citations = 258(Granted Patents)


Location History:

  • Fukuoka, JA (1977)
  • Fukuoka, JP (1978 - 1997)

Company Filing History:

goldMedal17 out of 57 
 
Nippon Tungsten Co., Ltd.
 patents
silverMedal8 out of 240 
 
Sumitomo Special Metals Co., Ltd.
 patents
bronzeMedal1 out of 26 
 
Sumitomo Special Metal Co. Ltd.
 patents
4. 1 out of 32 
 
Kyushu Electric Power Co., Inc.
 patents
where one patent can have more than one assignee

Years Active: 1977-1997

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17 patents (USPTO):Explore Patents
1. 5592647 - PTC panel heater with small rush current characteristic and highly heat (1997-01-07),
2. 5432016 - Magnetic head slider material (1995-07-11),
3. 5302560 - Process for the production of magnetic head sliders (1994-04-12),
4. 5093290 - Silicon nitride type sintered bodies and method for producing the same (1992-03-03),
5. 4902651 - Material for magnetic head substrate member (1990-02-20),
6. 4874725 - High-density sintered article of silicon carbid (1989-10-17),
7. 4859638 - Magnetic head sliders, materials therefor, and the process for the (1989-08-22),
8. 4814915 - Magnetic head slider and material therefor (1989-03-21),
9. 4796127 - Recording head slider (1989-01-03),
10. 4598052 - Alumina base substrate of recording head and process for the production (1986-07-01),
11. 4582812 - Aluminum oxide substrate material for magnetic head and method for (1986-04-15),
12. 4430440 - Magnetic head slider material (1984-02-07),
13. 4430279 - Process for producing zirconia yttria grinding media used for grinding (1984-02-07),
14. 4356272 - Sintered bodies Al.sub.2 O.sub.3 -TiC-TiO.sub.2 continuing yttrium (y) (1982-10-26),
15. 4249914 - Cutting tool material and method for producing cutting tool material (1981-02-10),

Title: Mitsuhiko Furukawa: Innovator in Magnetic Head Slider Technology

Introduction

Mitsuhiko Furukawa is a prominent inventor based in Fukuoka, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced magnetic head slider materials. With a total of 17 patents to his name, Furukawa's work has had a lasting impact on the industry.

Latest Patents

Among his latest innovations is a PTC panel heater designed with small rush current characteristics. Additionally, he has developed a highly specialized magnetic head slider material. This material consists primarily of 0.1 to 20.0 vol % of at least one oxide from the group of Va elements of the International Periodic Table (Ta, Nb, V) and 80.0 to 99.9 vol % of stabilized cubic ZrO₂ containing a stabilizer such as Y₂O₃, MgO, or CeO₂. This innovative material boasts improved precision machinability, machining efficiency, high strength, a densified structure, and excellent affinity with recording media or lubricity, along with wear resistance. It can be precisely machined into thin film magnetic head sliders with minimal chipping.

Career Highlights

Furukawa has worked with notable companies such as Nippon Tungsten Co., Ltd. and Sumitomo Special Metals Co., Ltd. His experience in these organizations has allowed him to refine his expertise and contribute to groundbreaking advancements in technology.

Collaborations

Throughout his career, Furukawa has collaborated with talented individuals, including Michito Miyahara and Toshiaki Wada. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Mitsuhiko Furukawa's contributions to the field of materials science and his innovative patents have established him as a key figure in the industry. His work continues to influence advancements in magnetic head slider technology and beyond.

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