Inventor
Yukio Kumagai
Inventor
Tokorozawa, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis18%
G10LSpeech analysis techniques or speech synthesis18%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace9%
G06FElectric digital data processing9%
G06TImage data processing or generation, in general9%
G11BInformation storage based on relative movement between record carrier and transducer9%
H04NPictorial communication, e.g. television9%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%
H05GX-ray technique9%
PatentTitleYear
10,238,357X-ray CT apparatus and scanning method20199,592,023'X-ray CT apparatus and tomography method'20176,334,022'Video information recording and reproducing apparatus'20015,717,818'Audio signal storing apparatus having a function for converting speech speed'19985,572,593'Method and apparatus for detecting and extending temporal gaps in speech signal and appliances using the same'19964,801,096'Automatic gunning apparatus with detachably mounted gunning pipe'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to PFIZER (1)· patent assignee history
1989Based in Zama, JP· patent location history
1996–2019Patents assigned to HITACHI LTD (5)· patent assignee history
1996–2001Based in Tokorozawa, JP· patent location history
2017–2019Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1996–2019 |
| PFIZER | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokorozawa, JP | 3 | 1996–2001 |
| Tokyo, JP | 2 | 2017–2019 |
| Zama, JP | 1 | 1989 |