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Oohiro Works, Ltd.

USPTO Granted Patents = 66

Forward Citations = 372

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10 inventors (with patents filed for the assignee):

Nobuyuki Minami (32 out of 32 patents)

Hirohisa Shimizu (16 out of 17 patents)

Kazuo Ooyama (10 out of 10 patents)

4. Toshiaki Kawakami (3 out of 3 patents)

5. Toshiyuki Sato (3 out of 4 patents)

6. Hideaki Miyoshi (2 out of 7 patents)

7. Tetsuji Hatanaka (1 out of 2 patents)

8. Yoshikazu Ishimura (1 out of 1 patent)

9. Tadashi Ijichi (1 out of 1 patent)

10. Yasuke Hirota (1 out of 1 patent)

Core Competencies:

Automatic Hair Washer

Hair Washing Apparatus

Facial Treatment Device

Hair Processing Accelerator

Barber Chair Design

Beauty Chair Accessories

Pedestal Sink for Hair Washing

Waterproof Hair Washing Sheet

Swivel Pedestal Sink

Hair Washing Stand

Nail Table Design

Dressing Mirror Innovations

66 patents: Sort by Forward Citations

1. 6761339 - Leg part for a barber or beauty chair (2004-07-13),

2. D489481 - Automatic hair washing machine (2004-05-05),

3. D488586 - Automatic hair washer (2004-04-14),

4. D488257 - Automatic hair washer (2004-04-07),

5. 6679908 - Facial treatment device (2004-01-20),

6. D482820 - Automatic hair washer (2003-11-26),

7. 6615418 - Automatic hair washer (2003-09-09),

8. 6609759 - Chair and stand for chair (2003-08-26),

9. 6604251 - Hair washing stand (2003-08-12),

10. D475158 - Hair washer (2003-05-28),

11. D474562 - Hair processing accelerator (2003-05-14),

12. 6526605 - Automatic hair washer (2003-03-04),

13. D468483 - Hair processing accelerator (2003-01-08),

14. 6463597 - Hair washing apparatus (2002-10-15),

15. D462423 - Pedestal sink for washing hair (2002-09-04),

Oohiro Works, Ltd. is a leading design and construction company specializing in modern architectural projects. With a focus on innovative and sustainable designs, Oohiro Works has established a reputation for delivering high-quality and aesthetically pleasing buildings. From concept to completion, the company is committed to exceeding client expectations and creating spaces that inspire and function seamlessly. Visit our website to learn more about our services and portfolio.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

66 Patents

#134 in Osaka

#1,414 in Japan

#10,736 in the World

Oohiro Works, Ltd.

Forward Citations = 372

10 inventors:

Nobuyuki Minami (32 out of 32 patents)

Hirohisa Shimizu (16 out of 17 patents)

Kazuo Ooyama (10 out of 10 patents)

4. Toshiaki Kawakami (3 out of 3 patents)

5. Toshiyuki Sato (3 out of 4 patents)

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