logo

For the Inventor, By the Inventor

Tokyo, Japan

Alpad Corporation

Calculating rank
USPTO Granted Patents = 13

% Expired Patents = 15.4


Forward Citations = 7

Loading Chart...
Loading Chart...

28 inventors (with patents filed for the assignee):

goldMedal Kazuyuki Miyabe (6 out of 7 patents)

silverMedal Masakazu Sawano (5 out of 5 patents)

bronzeMedal Hiroshi Katsuno (5 out of 69 patents)

4.  Akihiro Kojima (4 out of 125 patents)

5.  Hideto Furuyama (3 out of 161 patents)

6.  Koji Kaga (3 out of 4 patents)

7.  Go Oike (2 out of 2 patents)

8.  Yuxiong Ren (2 out of 2 patents)

9.  Yoshiaki Sugizaki (2 out of 213 patents)

10.  Yosuke Akimoto (2 out of 75 patents)

11.  Hideyuki Tomizawa (2 out of 36 patents)

12.  Miyoko Shimada (2 out of 42 patents)

13.  Susumu Obata (2 out of 52 patents)

14.  Jumpei Tajima (1 out of 49 patents)

15.  Naoya Ushiyama (1 out of 1 patent)


13 patents:

1. 11145790 - Semiconductor light emitting device and method for manufacturing same (2021-10-12),
2. 10707378 - Semiconductor light-emitting device (2020-07-07),
3. 10559716 - Semiconductor light emitting device and method for manufacturing same (2020-02-11),
4. 10553758 - Semiconductor light emitting device (2020-02-04),
5. 10505075 - Semiconductor light emitting device (2019-12-10),
6. 10403790 - Method for manufacturing semiconductor light-emitting device (2019-09-03),
7. 10170352 - Manufacturing apparatus of semiconductor device, and manufacturing method of semiconductor device (2019-01-01),
8. 10141482 - Semiconductor light emitting device (2018-11-27),
9. 10134806 - Semiconductor light emitting device (2018-11-20),
10. 10128408 - Semiconductor light-emitting device (2018-11-13),
11. 10008571 - Semiconductor wafer, semiconductor device, and method for manufacturing nitride semiconductor layer (2018-06-26),
12. 9960320 - Semiconductor light emitting device (2018-05-01),
13. 9911899 - Semiconductor light-emitting device (2018-03-06),
Company Overview
Alpad Corporation, based in Tokyo, specializes in advanced materials and innovative technologies for various industries. The company focuses on developing high-performance solutions that enhance product durability and efficiency, particularly in sectors such as electronics and automotive engineering. With a commitment to research and development, Alpad aims to drive technological advancements and sustainability, positioning itself as a key player in the global market for cutting-edge materials and applications.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

Alpad Corporation USPTO Patent Assignee Logo
13 Patents

#1,666 in Tokyo

#3,756 in Japan

#45,137 in the World

Tokyo, JP
Tokyo, Japan

Alpad Corporation

Forward Citations = 7

28 inventors:

goldMedal Kazuyuki Miyabe (6 out of 7 patents)

silverMedal Masakazu Sawano (5 out of 5 patents)

bronzeMedal Hiroshi Katsuno (5 out of 69 patents)

4.  Akihiro Kojima (4 out of 125 patents)

5.  Hideto Furuyama (3 out of 161 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alpad Corporation. Retrieved from https://idiyas.com/company/alpad

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]
Loading…