Company Filing History:

19 out of 16,453

Panasonic Corporation

patents

4 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

Years Active: 2002-2013

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23 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 8553924 - Speaker, speaker device using the same and electronic apparatus and vehicle using the speaker (2013-10-08),

2. 8428283 - Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker (2013-04-23),

3. 8343313 - Plant for production of paper-made part for speaker, paper-made part for speaker produced thereby, and speaker utilizing the same (2013-01-01),

4. 8335338 - Speaker and electronic apparatus and device using the same (2012-12-18),

5. 8199964 - Speaker diaphragm, speaker dust cap, speaker sub-cone, speaker using these components, and electronic apparatus using the same (2012-06-12),

6. 8144912 - Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker (2012-03-27),

7. 8126188 - Speaker and method of producing the same (2012-02-28),

8. 8098869 - Loudspeaker damper, manufacturing method thereof, and loudspeaker and electronic device using the same (2012-01-17),

9. 8023685 - Electroacoustic transducer and electronic device using the same (2011-09-20),

10. 7877856 - Method of manufacturing a speaker (2011-02-01),

11. 7634102 - Speaker and device using the same (2009-12-15),

12. 7630508 - Electro-acoustic transducer and electronic apparatus using it (2009-12-08),

13. 7583812 - Electro-acoustic converter and electronic device using the same (2009-09-01),

14. 7548632 - Speaker, module using the same, electronic equipment and device, and speaker producing method (2009-06-16),

15. 7548627 - Speaker, and module, electronic apparatus, and device that use the speaker (2009-06-16),

Title: Masahide Sumiyama: Innovator in Audio Technology

Introduction

Masahide Sumiyama, a prominent inventor based in Mie, Japan, has made significant contributions to the field of audio technology. With an impressive portfolio of 23 patents, his innovative designs and manufacturing methods have propelled advancements in speaker technology and sound quality.

Latest Patents

Sumiyama's latest patents include groundbreaking inventions such as a speaker and a speaker device which utilize a pressure adjusting body connected to the magnetic circuit or frame of a speaker unit. This configuration allows for enhanced reproduction of bass sounds in audio and video apparatuses, particularly within compact speaker devices. Additionally, he has developed a manufacturing method for paper-making components used in loudspeakers, allowing for adjustable sound characteristics and higher productivity. His innovative methods involve processes such as explosive crushing and micro-fabrication of materials, which improve the quality and efficiency of loudspeaker manufacturing.

Career Highlights

Throughout his career, Sumiyama has worked with renowned companies such as Panasonic Corporation and Matsushita Electric Industrial Co., Ltd., where he has leveraged his expertise to drive innovation in audio devices. His time with these respected organizations has allowed him to refine his skills and contribute to groundbreaking developments in sound technology.

Collaborations

In his journey, Masahide Sumiyama has collaborated with notable coworkers, including Kazuki Honda and Kazutaka Kubo. Together, they have explored various facets of audio engineering, pushing the boundaries of speaker design and sound quality.

Conclusion

Masahide Sumiyama's commitment to innovation in audio technology is evident in his extensive patent portfolio and his impactful collaborations. His work continues to influence the audio industry, enhancing the listening experience for consumers and setting new standards in sound reproduction technology.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.