| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 48 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Medical technology | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Pistons and sealings | |
| #3 | Physical therapy devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ikeda Akio | 19 |
| #2 | Satou Rokuheiji | 13 |
| #3 | Kanbayashi Isao | 6 |
| #4 | Osaki Soichiro | 6 |
| #5 | Oosaki Sannojiyou | 3 |
| #6 | Watanabe Masao | 3 |
| #7 | Takizawa Kiyoshi | 2 |
| #8 | Nagasawa Kazuo | 2 |
| #9 | Onodera Tomohiko | 2 |
| #10 | Hayashi Fumio | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JPH09225209A | Solid settling and removing filter device | |
| JPH09133221A | Mechanical seal | |
| JPH09133220A | Mechanical seal | |
| JPH0861515A | Mechanical seal for pump | |
| JPH0861514A | Pump device | |
| JPH07167084A | Self-printing centrifugal pump | |
| JPH0763185A | Pump device | |
| JPH06330888A | Regenerative pump | |
| JPH06330880A | Self-priming type voltex flow pump | |
| JPH06323288A | Self-priming type volute pump | |
| JPH06319775A | Massaging apparatus | |
| JPH06205811A | Water jet type massaging machine | |
| JPH06193600A | Gas-liquid mixing device | |
| JPH06167292A | Vortex pump | |
| JPH0544680A | Peripheral pump | |
| JPH03222898A | Pumping plant | |
| JPH03210097A | Vortex pump | |
| JPH03194190A | Pump device | |
| JPH03194192A | Pump device | |
| JPH03194189A | Multiple stage pump device |