For the Inventor, By the Inventor

Enter assignee name

Ykk Architectural Products Inc.

Calculating rank

USPTO Granted Patents = 34

Forward Citations = 433

Loading Chart...

Loading Chart...

35 inventors (with patents filed for the assignee):

Masao Hirano (9 out of 9 patents)

Shinji Tanikawa (7 out of 9 patents)

Sou Koike (6 out of 6 patents)

4. Ryuichi Kitada (3 out of 3 patents)

5. So Koike (2 out of 2 patents)

6. Yasuhiro Sono (2 out of 2 patents)

7. Noriaki Okamoto (2 out of 3 patents)

8. Yuichi Kubo (2 out of 2 patents)

9. Koichiro Nawa (2 out of 6 patents)

10. Masayoshi Ishikawa (2 out of 2 patents)

11. Hiroshi Miyazaki (1 out of 55 patents)

12. Akio Ozawa (1 out of 4 patents)

13. Masami Takemura (1 out of 4 patents)

14. Hiroyuki Sasaki (1 out of 1 patent)

15. Koichi Segawa (1 out of 1 patent)

Core Competencies:

Cremorne Lock

Curtain Wall

Sash Frame

Mullion Structure

Water-Tight Structure

Sliding Window

Panel Mounting

Reinforcing Structure

Aluminum Frame

Fixed Window

Movable Louver

Weatherproof Unit

34 patents: Sort by Forward Citations

1. 6065248 - Cremorne lock mounting device for window (2000-05-23),

2. 6032423 - Curtain wall having mullion structure (2000-03-07),

3. 6014846 - Multi-window sash and batten attachment structure (2000-01-18),

4. 5937597 - Multi-window sash and batten attachment structure (1999-08-17),

5. 5910084 - Reinforcing structure for vertical frame member of sash frame (1999-06-08),

6. 5870859 - Water-tight structure for sliding door (1999-02-16),

7. 5822926 - Structure for mounting cremorne lock and reinforcing member in vertical (1998-10-20),

8. 5761860 - Panel mounting structure (1998-06-09),

9. 5758459 - Sash frame structure for attaching glass (1998-06-02),

10. 5749175 - Structure of mating portions of double door assembly (1998-05-12),

11. 5746032 - Structure for attaching a lower transverse frame member of a sash to a (1998-05-05),

12. 5682714 - Partitioning sash (1997-11-04),

13. 5678366 - Sliding window structure (1997-10-21),

14. 5657591 - Connection structure of a framework (1997-08-19),

15. 5653060 - Sliding window structure (1997-08-05),

Company Overview

YKK Architectural Products Inc., based in Tokyo, specializes in the design and manufacturing of high-performance architectural products, including windows, doors, and curtain walls. The company is recognized for its commitment to innovation and quality, integrating advanced materials and technologies to enhance building aesthetics and energy efficiency. With a focus on sustainable solutions, YKK Architectural Products serves a diverse range of markets, contributing to the development of modern architectural designs across various regions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

34 Patents

#1,011 in Tokyo

#2,172 in Japan

#19,664 in the World

Ykk Architectural Products Inc.

Forward Citations = 433

35 inventors:

Masao Hirano (9 out of 9 patents)

Shinji Tanikawa (7 out of 9 patents)

Sou Koike (6 out of 6 patents)

4. Ryuichi Kitada (3 out of 3 patents)

5. So Koike (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ykk Architectural Products Inc.. Retrieved from https://idiyas.com/company/ykk-architectural-products

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…