Takanori Nanya

This inventor holds 20 USPTO granted patents, primarily in Electrochromic Displays. Top assignees: Citizen Watch Company, Ltd., Nippon Mayer Ltd., Technical Research of Citizen Watch Co., Ltd.. Active years: 1978-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takanori Nanya. Retrieved from https://idiyas.com/inventor/takanori-nanya

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 286(Granted Patents)

Location History:

Tokorozawa, JA (1978)
Tokorozawa, JP (1980 - 1981)
Saitama, JP (1998)
Sayama, JP (1984 - 2004)

Company Filing History:

19 out of 2,004

Citizen Watch Company, Ltd.

Technical Research of Citizen Watch Co., Ltd.

patent

where one patent can have more than one assignee

Years Active: 1978-2004

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Areas of Expertise:

Electrochromic Displays

Step Motors

Timepiece Manufacturing

Solar Battery

Knitting Machinery

Temperature Compensation

Wear-Resistant Reed

Liquid Crystal Display

Driver Circuit

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6774513 - Two-pole step motor for timepiece (2004-08-10),

2. 6548922 - 2-Pole stepper motor for timepiece (2003-04-15),

3. 6519853 - Method of manufacturing hand for analog electronic timepiece (2003-02-18),

4. 6434086 - Analog electronic timepiece (2002-08-13),

5. 6221173 - Titanium or titanium alloy member and surface treatment method therefor (2001-04-24),

6. 5782995 - Solar battery device and method of fabricating the same (1998-07-21),

7. 5762110 - Dents for reed in high-speed weaving machine, and method of (1998-06-09),

8. 5714012 - Solar battery device (1998-02-03),

9. 5642632 - Coated knitting parts of knitting machine (1997-07-01),

10. 5546770 - Knitting parts of knitting machine (1996-08-20),

11. 5538799 - Knitting parts of knitting machine (1996-07-23),

12. 5511587 - Wear-resistant reed for a high-speed loom (1996-04-30),

13. 5056929 - Temperature compensation type infrared sensor (1991-10-15),

14. 4482216 - Solid state complementary electrochromic display devices (1984-11-13),

15. 4465341 - All solid state complementary electrochromic display devices (1984-08-14),

Title: Takanori Nanya: Innovator in Timepiece Technology

Introduction

Takanori Nanya, based in Sayama, Japan, is a prominent inventor with a significant contribution to the field of timepiece technology. With 20 patents to his name, Nanya has demonstrated exceptional innovation in developing advanced motor technologies.

Latest Patents

Among his latest innovations are two remarkable patents related to two-pole step motors specifically designed for timepieces. The first patent describes a stator made by bonding two high-permeability stator parts through intermediary connections made of a low-permeability or non-magnetic material. This design includes paired recesses that serve as holding torque setting means for a rotor, which is held by magnetic action. Additionally, a field coil for excitation is magnetically bonded to the opposite ends of the stator, forming a highly efficient two-pole step motor suitable for precise timekeeping. The second patent mirrors this innovation, reiterating the efficacy of such a design for timepiece applications.

Career Highlights

Takanori Nanya has had a fruitful career, working with prestigious organizations such as Citizen Watch Company, Ltd. and Technical Research of Citizen Watch Co., Ltd. His expertise in the field led to the creation of several patents that have elevated the standards of mechanical watch movements and timekeeping devices.

Collaborations

During his career, Nanya collaborated with other talented individuals, including Eigo Hashimoto and Katsuo Nishimura. This teamwork has played a pivotal role in advancing innovative solutions within the timepiece sector, enriching the collective knowledge and creativity of their projects.

Conclusion

Takanori Nanya’s work exemplifies how innovative thinking can reshape the technological landscape of timepieces. His numerous patents not only showcase his ingenuity but also highlight the collaborative efforts within the industry. As Nanya continues to innovate, his contributions will undeniably impact the future of watch technology.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]