IDiyas

For the Inventor, By the Inventor

Yokohama, Japan

Hitoshi Hatayama

USPTO Granted Patents = 18


Average Co-Inventor Count = 2.4

ph-index = 7

Forward Citations = 111(Granted Patents)


Location History:

  • Kanagawa, JP (2001 - 2006)
  • Yokohama, JP (2001 - 2024)

Company Filing History:

goldMedal18 out of 10,239 
 
Sumitomo Electric Industries, Limited
 patents
silverMedal1 out of 46 
 
Sumitomo Electric Optifrontier Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2001-2024

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18 patents (USPTO):
1. 11965801 - Measurement system (2024-04-23),
2. 8546722 - Laser processing apparatus and processing method employed therein (2013-10-01),
3. 7829335 - Method of differentiation induction to osteoblasts (2010-11-09),
4. 7085446 - Optical multi/demultiplexer (2006-08-01),
5. 7027215 - Optical component, optical amplification module, and optical transmission system (2006-04-11),
6. 6952309 - Optical amplifier and optical amplification method (2005-10-04),
7. 6829407 - Planar optical circuit and optical transmission system (2004-12-07),
8. 6819859 - Planar lightwave circuit type variable optical attenuator (2004-11-16),
9. 6782168 - Apparatus for and method of monitoring wavelength multiplexed signal light as well as optical transmission system using the same (2004-08-24),
10. 6701090 - Wavelength division multiplexing signal number monitoring apparatus and method (2004-03-02),
11. 6643431 - Optical device and control method thereof (2003-11-04),
12. 6633698 - Optical filter (2003-10-14),
13. 6560381 - Optical filter (2003-05-06),
14. 6507680 - Planar lightwave circuit module (2003-01-14),
15. 6333807 - Optical filter (2001-12-25),

Title: Hitoshi Hatayama - Pioneer in Optical Fiber Innovations

Introduction

Hitoshi Hatayama is a prominent inventor based in Yokohama, Japan, known for his significant contributions to the field of optical fiber technology. With a remarkable portfolio of 18 patents, he has demonstrated exceptional ingenuity and expertise in measurement systems and laser processing apparatuses.

Latest Patents

Among his latest innovations are two groundbreaking patents. The first is a sophisticated measurement system that incorporates a measurement device equipped with a light source and a first power meter. This system facilitates the optical connection of multiple optical fiber lines, allowing for accurate testing and measurement of light intensity. The second patent is for a laser processing apparatus, which comprises a processing light source that emits processing light, as well as an observation light emitting unit. This apparatus utilizes optical fibers that can conduct various wavelengths, enhancing the precision of electronic component processing.

Career Highlights

Hitoshi has had a distinguished career and has been associated with leading companies such as Sumitomo Electric Industries, Limited and Sumitomo Electric Optifrontier Co., Ltd. His work in these organizations has not only advanced optical fiber technology but has also addressed critical challenges in measurement and processing techniques.

Collaborations

Throughout his career, Hitoshi has collaborated with talented individuals such as Masayuki Nishimura and Eisuke Sasaoka. These partnerships have fostered innovation and contributed to the successful development of his patented technologies.

Conclusion

Hitoshi Hatayama's innovative spirit and dedication to his field are evident in his extensive patent portfolio and successful collaborations. His contributions to optical fiber technology continue to influence various applications, marking him as a significant figure in the world of inventions.

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