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Nittobo Acoustic Engineering Co., Ltd.

USPTO Granted Patents = 9

EPO Patents = 1

Trademarks = 1

Forward Citations = 24

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19 inventors (with patents filed for the assignee):

Shinji Ohashi (7 out of 7 patents)

Hiroshi Ohyama (4 out of 5 patents)

Koichi Yamashita (3 out of 37 patents)

4. Yasushi Satake (3 out of 3 patents)

5. Katsuyuki Kanazawa (2 out of 2 patents)

6. Kazuhiro Takashima (2 out of 7 patents)

7. Yoshio Tadahira (2 out of 3 patents)

8. Hideo Tsuru (2 out of 2 patents)

9. Yuichi Miyazaki (1 out of 26 patents)

10. Hirofumi Nakajima (1 out of 33 patents)

11. Kunikazu Hirosawa (1 out of 1 patent)

12. Taichi Higashioka (1 out of 1 patent)

13. Kazuhiro Makino (1 out of 12 patents)

14. Kenichi Morio (1 out of 1 patent)

15. Toshihito Matsui (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 10319121 - Acoustic performance calculation device, acoustic performance calculation method, and acoustic performance calculation program (2019-06-11),

2. 9449596 - Sound generation system, sound recording system, sound generation method, sound recording method, sound adjusting method, sound adjusting program, sound field adjusting system, speaker stand, furniture, speaker cabinet, and speaker device (2016-09-20),

3. 9392388 - Noise identifying apparatus and noise identifying method using the same (2016-07-12),

4. 8929580 - Sound generation system, sound recording system, sound generation method, sound recording method, sound adjusting method, sound adjusting program, sound field adjusting system, speaker stand, furniture, speaker cabinet, and speaker device (2015-01-06),

5. 8833514 - Open air layer-type vibration reduction structure (2014-09-16),

6. 8712740 - Signal judgment method, signal judgment apparatus, program, and signal judgment system (2014-04-29),

7. 8396241 - Reflector structure, sound field adjusting method, columnar reflector structure, room, program, and various acoustic room designing system (2013-03-12),

8. 7379553 - Sound source search system (2008-05-27),

9. 6892117 - Method of measuring point-blank passing time or the like of airplane (2005-05-10),

Nittobo Acoustic Engineering Co., Ltd. is a leading company in the field of acoustic engineering, specializing in noise control solutions for various industries. With a strong focus on research and development, Nittobo offers innovative products and services to meet their clients' acoustic needs. Their cutting-edge technologies and expertise have established them as a trusted partner in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

9 Patents

#1,783 in Tokyo

#4,576 in Japan

Nittobo Acoustic Engineering Co., Ltd.

Forward Citations = 24

19 inventors:

Shinji Ohashi (7 out of 7 patents)

Hiroshi Ohyama (4 out of 5 patents)

Koichi Yamashita (3 out of 37 patents)

4. Yasushi Satake (3 out of 3 patents)

5. Katsuyuki Kanazawa (2 out of 2 patents)

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