Masamitsu Nishida

This inventor holds 29 USPTO granted patents, primarily in Piezoelectric Ceramics. Top assignees: Matsushita Electric Industrial Co., Ltd., Matsushita Electronics Corporation. Active years: 1976-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masamitsu Nishida. Retrieved from https://idiyas.com/inventor/masamitsu-nishida

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 29

% Patents Active = 86.2

Average Co-Inventor Count = 3.3

ph-index = 8

Forward Citations = 200(Granted Patents)

Location History:

Osaka, J (1976)
Osaka, JA (1976 - 1977)
Toyonaka, JP (1981)
Osaka, JP (1978 - 2003)

Company Filing History:

28 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

1 out of 655

Matsushita Electronics Corporation

patents

Years Active: 1976-2003

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Areas of Expertise:

Piezoelectric Ceramics

Dielectric Ceramics

Ceramic Composition

Ferroelectric Ceramics

Multilayer Ceramic

Low Microwave Loss

Agitating Mill

Milling Method

Ceramic Powder

Piezoelectric Device

Piezoelectric Element

Ceramic Transformer

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6514427 - Piezoelectric ceramic composition and piezoelectric element containing the same (2003-02-04),

2. 6458287 - Piezoelectric ceramic composition and piezoelectric element containing the same (2002-10-01),

3. 6426018 - Piezoelectric ceramic compositions (2002-07-30),

4. 6426017 - Piezoelectric ceramic composition and piezoelectric element using the same (2002-07-30),

5. 6123867 - Piezoelectric ceramic composition and piezoelectric device using the same (2000-09-26),

6. 6118209 - Piezoelectric ceramic composition and piezoelectric transformer (2000-09-12),

7. 5403788 - Dielectric ceramics composite material (1995-04-04),

8. 5320284 - Agitating mill and method for milling (1994-06-14),

9. 5246898 - Dielectric ceramics (1993-09-21),

10. 5221872 - Piezoelectric ceramics and their production methods (1993-06-22),

11. 5213702 - Media agitating mill and method for milling ceramic powder (1993-05-25),

12. 5065946 - Media agitating mill and method for milling ceramic powder (1991-11-19),

13. 4711862 - Dielectric ceramic compositions (1987-12-08),

14. 4586972 - Method for making multilayer ceramic body (1986-05-06),

15. 4555494 - Dielectric ceramic compositions (1985-11-26),

Title: Masamitsu Nishida: Innovator in Piezoelectric Ceramics

Introduction

Masamitsu Nishida, based in Osaka, Japan, is a prolific inventor with an impressive portfolio of 28 patents. His work primarily focuses on innovative piezoelectric ceramic compositions, contributing significantly to advancements in material science and technology.

Latest Patents

Nishida's latest patents encompass crucial developments in piezoelectric ceramics. One notable invention is a piezoelectric ceramic composition that can be manufactured easily using a standard sintering method. It is lead-free and demonstrates desirable properties, including a large frequency constant, small grain size, and high mechanical quality factor (Q). This innovation is expressed by the formula (1-v-w)[(Li Na K) RO].vLMnO.wBi Na TiO, indicating a sophisticated chemical composition aimed at enhancing performance. Additionally, another recent patent further characterizes a lead-free piezoelectric ceramic composition that boasts a high coupling coefficient and is defined by the formula (Li Na K) Ma Nb Mb O, emphasizing its sophisticated material formulation.

Career Highlights

Throughout his career, Masamitsu Nishida has worked with some prominent companies in the electronics industry, including Matsushita Electric Industrial Co., Ltd. and Matsushita Electronics Corporation. His contributions in these organizations have helped forge significant advancements in the field of piezoelectric materials.

Collaborations

Nishida has collaborated with esteemed colleagues, including Hiromu Ouchi and Syunichiro Kawashima. Their combined expertise in material science has synergistically driven forward the research and development of new materials and applications.

Conclusion

Masamitsu Nishida stands out as a remarkable inventor whose innovative contributions to piezoelectric ceramics have significant implications for various applications. His dedication to lead-free materials and complex ceramic compositions paves the way for future advancements in electronics and other relevant fields.

Profile summary based on public USPTO records.

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]