Inventor
Sakichi Ashida
Inventor
Fuchu, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Nprimary
H10NElectric solid-state devices not otherwise provided for27%
H03HImpedance networks, e.g. resonant circuits18%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general9%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for9%
C30BSingle-crystal growth9%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves9%
G10KSound-producing devices9%
PatentTitleYear
10,953,842Gas generator20214,595,853'Apparatus for and method of determining properties of saw substrates'19864,490,641'Three electrode piezoelectric ceramic resonator'19844,458,172'Ultrasonic probe'19844,333,842'Piezoelectric single crystal and surface acoustic wave element employing the same'19824,243,541'Piezoelectric ceramics'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1986Patents assigned to HITACHI LTD (5)· patent assignee history
1981–1986Based in Fuchu, JP· patent location history
2021Patents assigned to NIPPON KAYAKU KK (1)· patent assignee history
2021Based in Himeji, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1981–1986 |
| NIPPON KAYAKU KK | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fuchu, JP | 5 | 1981–1986 |
| Himeji, JP | 1 | 2021 |