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For the Inventor, By the Inventor

Kanagawa, Japan

Tel Sagami Limited

Calculating rank
USPTO Granted Patents = 33

Forward Citations = 1,373

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33 inventors (with patents filed for the assignee):

goldMedal Wataru Ohkase (9 out of 16 patents)

silverMedal Ken Nakao (7 out of 43 patents)

bronzeMedal Seishiro Sato (6 out of 7 patents)

4.  Katsumi Ishii (5 out of 22 patents)

5.  Takanobu Asano (5 out of 18 patents)

6.  Kenichi Yamaga (4 out of 38 patents)

7.  Hironobu Nishi (3 out of 11 patents)

8.  Susumu Tanaka (2 out of 17 patents)

9.  Shingo Watanabe (2 out of 30 patents)

10.  Yasushi Sasaki (2 out of 2 patents)

11.  Noboru Fuse (2 out of 3 patents)

12.  Atsushi Wada (2 out of 3 patents)

13.  Mitsuo Katoh (2 out of 2 patents)

14.  Yuki Hamada (1 out of 3 patents)

15.  Katsuhiko Iwabuchi (1 out of 5 patents)


Core Competencies:
Semiconductor Wafer
Thermal Treatment
Wafer Transfer
Heat Insulating Cylinder
Plasma Processing
Heat-Treating Apparatus
Handling Arm
Cooling Fluid Nozzles
Wafer Support Device
Gas Treatment
Vertical Type Apparatus
Pitch Changing Device

33 patents:

1. 5131799 - Semiconductor wafer transferring apparatus and boat for thermal (1992-07-21),
2. 5125784 - Wafers transfer device (1992-06-30),
3. D327078 - Instrument for transferring boats for thermal treatment of semiconductor (1992-06-16),
4. D326273 - Heat insulating cylinder for thermal treatment of semiconductor wafers (1992-05-19),
5. D326272 - Heat insulating cylinder for thermal treatment of semiconductor wafers (1992-05-19),
6. 5097890 - Heat treating apparatus with cooling fluid nozzles (1992-03-24),
7. D324057 - Instrument for holding boats for thermal treatment of semiconductor (1992-02-18),
8. D323332 - Handling arm for boats for thermal treatment of semiconductor wafers (1992-01-21),
9. D323173 - Instrument for transferring boats for thermal treatment of semiconductor (1992-01-14),
10. 5069591 - Semiconductor wafer-processing apparatus (1991-12-03),
11. 5054988 - Apparatus for transferring semiconductor wafers (1991-10-08),
12. 5030057 - Semiconductor wafer transferring method and apparatus and boat for (1991-07-09),
13. 5028195 - Horizontal/vertical conversion transporting apparatus (1991-07-02),
14. 5016567 - Apparatus for treatment using gas (1991-05-21),
15. 5011705 - Plasma processing method (1991-04-30),
Company Overview
Tel Sagami Limited is a prominent technology company based in Kanagawa, Japan, specializing in advanced telecommunications and electronic components. The organization focuses on the development and manufacturing of high-performance devices that enhance connectivity and communication across various sectors. With a commitment to innovation, Tel Sagami engages in research and development activities that push the boundaries of technology, contributing to the evolution of the telecommunications landscape both locally and globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

33 Patents

#78 in Kanagawa

#2,202 in Japan

#20,162 in the World

Kanagawa, JP
Kanagawa, Japan

Tel Sagami Limited

Forward Citations = 1,373

33 inventors:

goldMedal Wataru Ohkase (9 out of 16 patents)

silverMedal Ken Nakao (7 out of 43 patents)

bronzeMedal Seishiro Sato (6 out of 7 patents)

4.  Katsumi Ishii (5 out of 22 patents)

5.  Takanobu Asano (5 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tel Sagami Limited. Retrieved from https://idiyas.com/company/tel-sagami

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

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]
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