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For the Inventor, By the Inventor

Tokyo, Japan

A.l.m.t. Corporation


USPTO Granted Patents = 82



Trademarks = 7

Forward Citations = 167

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158 inventors (with patents filed for the assignee):

goldMedal Akihiko Ikegaya (11 out of 49 patents)

silverMedal Masahiro Katoh (8 out of 8 patents)

bronzeMedal Isao Iwayama (7 out of 8 patents)

4.  Yoshiharu Yamamoto (7 out of 13 patents)

5.  Kazuo Sasaya (6 out of 6 patents)

6.  Makoto Watanabe (5 out of 5 patents)

7.  Yoshitake Fukaya (5 out of 5 patents)

8.  Ayuri Tsuji (5 out of 5 patents)

9.  Shigekazu Yamazaki (5 out of 6 patents)

10.  Kouichi Takashima (5 out of 8 patents)

11.  Takayuki Fudo (4 out of 6 patents)

12.  Akihisa Hosoe (4 out of 58 patents)

13.  Makoto Yukawa (4 out of 4 patents)

14.  Hidenobu Nishino (4 out of 4 patents)

15.  Takanori Kadokura (4 out of 4 patents)


Core Competencies:
Tungsten Electrode Material
Composite Material
Super-Abrasive Grinding Wheel
Heat Radiation Member
Wear-Resistant Tool
Molybdenum Crucible
Diamond Die
Heat-Resistant Alloy
Sodium Tungstate Production
Metal Laminated Structure
Abrasive Tool
Rotary Cutting Tool

82 patents:

1. 12525503 - Composite material, heat spreader and semiconductor package (2026-01-13),
2. 12503633 - Diamond composite material and heat radiating member (2025-12-23),
3. 12460281 - Tungsten-containing material and direct current discharge lamp electrode (2025-11-04),
4. 12451407 - Composite material, semiconductor package, and method of manufacturing composite material (2025-10-21),
5. 12428585 - Coated super-abrasive grains, abrasive grains, and wheel (2025-09-30),
6. 12415338 - Composite material (2025-09-16),
7. 12318828 - Wire drawing die (2025-06-03),
8. 12264384 - Composite material (2025-04-01),
9. 12252766 - Composite material, heat sink and semiconductor device (2025-03-18),
10. 12112993 - Heat radiation member (2024-10-08),
11. D1014588 - Rotary cutting tool (2024-02-13),
12. 11890831 - Composite member and heat radiation member (2024-02-06),
13. 11819979 - Abrasive tool (2023-11-21),
14. 11724323 - Reamer (2023-08-15),
15. 11673231 - Vitrified bond super-abrasive grinding wheel (2023-06-13),
A.L.M.T. Corporation is a leading manufacturer of diamond cutting tools, diamond wear parts, and precision machining tools. With a commitment to technological innovation and quality, we provide solutions for a range of industries including automotive, aerospace, electronics, and medical. Our cutting-edge products and advanced manufacturing techniques offer superior performance and reliability. Visit our website to learn more about our extensive product line and capabilities.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 20 2026

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82 Patents

#536 in Tokyo

#1,252 in Japan

#9,019 in the World

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Tokyo, Japan

A.l.m.t. Corporation

Forward Citations = 167

158 inventors:

goldMedal Akihiko Ikegaya (11 out of 49 patents)

silverMedal Masahiro Katoh (8 out of 8 patents)

bronzeMedal Isao Iwayama (7 out of 8 patents)

4.  Yoshiharu Yamamoto (7 out of 13 patents)

5.  Kazuo Sasaya (6 out of 6 patents)

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