Shunpei Yamazaki is a pioneering Japanese inventor who created the basic device for flash memory while studying at Doshisha University in 1970. His ground-breaking work in non-volatile memory technology laid the foundation for many modern electronics. After earning his Ph.D. in Engineering, Yamazaki founded Semiconductor Energy Laboratory in 1980, where he focused on silicon-based technologies. Over his career, he earned numerous awards, including the Medal with Purple Ribbon from the Japanese government and multiple Guinness World Records.
| Total Patents | 28521 |
| Granted Patents | 19566 |
| Associated Companies | Semiconductor Energy Laboratory |
| Field of Invention | Semiconductor |
Shunpei Yamazaki’s portfolio has 28521 patents belonging to 6006 unique patent families. His patent belong to technological domains such as Semiconductor Technology.
How Many Patents did Shunpei Yamazaki File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
| Year of Patents Filing or Grant | Shunpei Yamazaki Applications Filed | Shunpei Yamazaki Patents Granted |
| 2024 | 465 | 707 |
| 2023 | 945 | 742 |
| 2022 | 1042 | 808 |
| 2021 | 982 | 857 |
| 2020 | 954 | 847 |
| 2019 | 1066 | 972 |
| 2018 | 958 | 1137 |
| 2017 | 1081 | 1330 |
| 2016 | 1151 | 1384 |
| 2015 | 1033 | 1173 |
| 2014 | 1386 | 1040 |
How Many Shunpei Yamazaki patents are Alive/Dead?
Worldwide Patents
How Many Patents did Shunpei Yamazaki File in Different Countries?
Countries in which Shunpei Yamazaki Filed Patents
| Country | Patents |
| Japan | 10574 |
| United States of America | 7470 |
| Korea (South) | 3306 |
| Taiwan | 2926 |
| China | 2012 |
| Europe (EPO) | 397 |
| Germany | 314 |
| Singapore | 117 |
| India | 69 |
| Australia | 35 |
| Malaysia | 31 |
| Viet Nam | 16 |
| United Kingdom | 14 |
| Hong Kong (S.A.R.) | 3 |
| Canada | 1 |
Where are Research Centres of Shunpei Yamazaki Patents Located?
10 Best Shunpei Yamazaki Patents
US5821138A is the most popular patent in the Shunpei Yamazaki’s portfolio. It has received 852 citations so far from companies like Vitex Systems, Intel and Sony.
Below is the list of 10 most cited patents of Shunpei Yamazaki:
| Publication Number | Citation Count |
| US5821138A | 852 |
| US6274887B1 | 721 |
| US6127702A | 668 |
| US6380046B1 | 635 |
| US5757456A | 620 |
| US5288684A | 551 |
| JP2012134475A | 533 |
| US5608232A | 528 |
| US5834327A | 522 |
| US5639698A | 512 |
What are Shunpei Yamazaki key innovation segments?
What Technologies are Covered by Shunpei Yamazaki?
The chart below distributes patents filed by Shunpei Yamazaki in different countries on the basis of the technology protected in patents. It also represents the markets where Shunpei Yamazaki thinks it’s important to protect particular technology inventions.
R&D Focus: How has Shunpei Yamazaki search focus changed over the years?
EXCLUSIVE INSIGHTS COMING SOON!
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