| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 2,458 | |
| #2 | United States | 731 | |
| #3 | China | 190 | |
| #4 | Taiwan | 148 | |
| #5 | Republic of Korea | 130 | |
| #6 | EPO (European Patent Office) | 68 | |
| #7 | Germany | 28 | |
| #8 | United Kingdom | 14 | |
| #9 | WIPO (World Intellectual Property Organization) | 7 | |
| #10 | Singapore | 5 | |
| #11 | Canada | 4 | |
| #12 | Hong Kong | 3 | |
| #13 | France | 2 | |
| #14 | Australia | 1 | |
| #15 | Switzerland | 1 | |
| #16 | Indonesia | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kabasawa Hidetoshi | 173 |
| #2 | Mashita Tsuguaki | 137 |
| #3 | Mashimo Akira | 136 |
| #4 | Kubo Mitsumasa | 102 |
| #5 | Sakai Yoshiaki | 88 |
| #6 | Watanabe Takashi | 86 |
| #7 | Tsuyukuchi Yuji | 85 |
| #8 | Yamaguchi Hirohisa | 82 |
| #9 | Fujisawa Tatsuichi | 70 |
| #10 | Sakaguchi Takahiro | 69 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020162175A | Control apparatus | |
| US2021124554A1 | Audio apparatus | |
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| JP2018032966A | Fitting structure for oscillator, and master clock generator |