| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | China | 1 | |
| #7 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Basic communication technologies | |
| #3 | Telecommunications | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Magnets and transformers | |
| #2 | Resonators | |
| #3 | Transmission | |
| #4 | Measuring electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | May James P | 13 |
| #2 | Inamura Michio | 2 |
| #3 | May James | 2 |
| #4 | Masuda Kiyoshi | 2 |
| #5 | Otsuka Takao | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US5764125A | Suppressor case with rocking ferrite | |
| US5200730A | Premolded suppressor sleeve | |
| US5003278A | Ferrite suppressor case with retaining fingers |