Inventor
Takeshi Nakaichi
Inventor
Tokyo, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis50%
G09BEducational or demonstration appliances25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
PatentTitleYear
8,057,234'Foreign language learning apparatus'20117,844,058'Hearing processing method and hearing aid using the same'20107,048,692'Method and apparatus for estimating auditory filter shape'20066,582,378'Method of measuring frequency selectivity, and method and apparatus for estimating auditory filter shape by a frequency selectivity measurement method'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2010Patents assigned to RION CO (3)· patent assignee history
2003–2011Based in Tokyo, JP· patent location history
2010Patents assigned to UNIV WASEDA (1)· patent assignee history
2011Patents assigned to NAKAICHI TAKESHI (1)· patent assignee history
2011Patents assigned to RIKIMARU HIROSHI (1)· patent assignee history
2011Patents assigned to SAKAMOTO SHINICHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RION CO | 3 | 2003–2010 |
| NAKAICHI TAKESHIself | 1 | 2011 |
| RIKIMARU HIROSHI | 1 | 2011 |
| SAKAMOTO SHINICHI | 1 | 2011 |
| UNIV WASEDA | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2003–2011 |