Hiroshi Hayakawa

USPTO Granted Patents = 16 (Patent Applications = 4)

EPO Patents = 1

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 127(Granted Patents)

Location History:

Kodaira, JP (1978)
Daisawa, Setagaya-ku, Tokyo, JP (1995)
Saga, JP (2002)
Tsukuba, JP (2012 - 2019)
Tokyo, JP (1985 - 2022)

Company Filing History:

National Institute of Advanced Industrial Science and Technology

patents

2 out of 504

Bridgestone Tire Company Limited

Sumitomo Metal Industries, Inc.

patents

6. 1 out of 1

Ecology Development Corp.

patent

7. 1 out of 90

Sumitomo Mitsubishi Silicon Corporation

9. 2 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1978-2025

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16 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 12449575 - Reflective polarized light separation and diffraction element and optical measurement device comprising same (2025-10-21),

2. 11487440 - Evaluation system for evaluating resource operation of information system by user (2022-11-01),

3. 11429278 - Storage system and information processing method by storage system (2022-08-30),

4. 11048412 - Storage system and information processing method by storage system (2021-06-29),

5. 10505189 - Cathode material and lithium secondary battery using same as cathode (2019-12-10),

6. 10078452 - Performance information management system, management computer, and performance information management method (2018-09-18),

7. 8518367 - Titanium oxide and method of producing the same (2013-08-27),

8. 8309253 - Titanium oxide, method for manufacturing the same, and lithium secondary battery using the same as active material (2012-11-13),

9. 8012258 - Melt surface position monitoring apparatus in silicon single crystal growth process (2011-09-06),

10. 7273647 - Silicon annealed wafer and silicon epitaxial wafer (2007-09-25),

11. 6458204 - Method of producing high-quality silicon single crystals (2002-10-01),

12. 6170789 - Appliance for supporting carriage of cylindrical article (2001-01-09),

13. 5424216 - No radical measuring method and apparatus (1995-06-13),

14. 5383409 - Corrugated board pallet (1995-01-24),

15. 4527606 - Pneumatic radial tires for passenger cars having low rolling resistance (1985-07-09),

Title: Hiroshi Hayakawa: Innovator in Optical Technology

Introduction

Hiroshi Hayakawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of 16 patents. His work focuses on innovative solutions that enhance optical measurement and resource evaluation systems.

Latest Patents

Among his latest patents is a reflective polarized light separation and diffraction element. This invention includes a substrate with a reflection surface and a lattice structured body assembly that exhibits form birefringence. The assembly consists of multiple patterns with different azimuths, aligned in a predetermined direction to create a structurally periodic change in the lattice structures. Another notable patent is an evaluation system designed to assess resource operation within information systems. This system utilizes arithmetic units and storage devices to manage erroneous operation risks effectively.

Career Highlights

Hiroshi Hayakawa has worked with esteemed organizations such as Hitachi, Ltd. and the National Institute of Advanced Industrial Science and Technology. His experience in these companies has allowed him to develop and refine his innovative ideas in optical technology.

Collaborations

Throughout his career, Hayakawa has collaborated with notable colleagues, including Junji Akimoto and Kazuyuki Egashira. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

Hiroshi Hayakawa's contributions to optical technology and his impressive portfolio of patents highlight his role as a leading inventor in his field. His innovative work continues to influence advancements in optical measurement and resource evaluation systems.

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4 patents pending:

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1 patent (EPO):

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.