Inventor
Tetsuhide Yokoyama
Inventor
Tokyo, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids31%
F01CRotary-piston or oscillating-piston machines or engines14%
F04BPositive-displacement machines for liquids11%
F25BRefrigeration machines, plants or systems11%
C23CCoating metallic material3%
F04DNon-positive-displacement pumps3%
F25DRefrigerators3%
G06FElectric digital data processing3%
G09FDisplaying3%
G10KSound-producing devices3%
PatentTitleYear
11,134,356Speech providing device, speech reproducing device, speech providing method, and speech reproducing method202111,125,231Compressor for refrigerating machine202110,473,367Heat pump apparatus20199,885,357'Hermetic compressor and vapor compression-type refrigeration cycle device including the hermetic compressor'20189,879,676'Multi-cylinder rotary compressor and vapor compression refrigeration cycle system including the multi-cylinder rotary compressor'20189,541,310'Sealed compressor and vapor compression refrigeration cycle apparatus including the sealed compressor'20179,127,675'Vane compressor with vane aligners'20159,115,716'Vane compressor with vane aligners'20159,011,121'Refrigerant compressor and heat pump apparatus'20158,790,097'Refrigerant compressor and heat pump apparatus'20148,753,098'Refrigerant compressor'20148,602,760'Vane compressor'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2019Patents assigned to MITSUBISHI ELECTRIC CORP (10)· patent assignee history
2013–2018Patents assigned to YOKOYAMA TETSUHIDE (8)· patent assignee history
2013–2018Patents assigned to SEKIYA SHIN (7)· patent assignee history
2013–2017Patents assigned to MAEYAMA HIDEAKI (6)· patent assignee history
2013–2015Based in Tokyo, JP· patent location history
2014–2018Patents assigned to KATO TARO (5)· patent assignee history
2017–2019Based in Chiyoda-ku, JP· patent location history
2021Based in Shinjuku-ku, JP· patent location history
2021Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 10 | 2013–2019 |
| YOKOYAMA TETSUHIDEself | 8 | 2013–2018 |
| SEKIYA SHIN | 7 | 2013–2018 |
| MAEYAMA HIDEAKI | 6 | 2013–2017 |
| KATO TARO | 5 | 2014–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2013–2015 |
| Chiyoda-ku, JP | 4 | 2017–2019 |
| Shinjuku-ku, JP | 1 | 2021 |
| Osaka, JP | 1 | 2021 |