Inventor
Kazushige Tanaka
Inventor
Tokyo, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks27%
C01BNon-metallic elements18%
H04LTransmission of digital information, e.g. telegraphic communication18%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1018%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C11DDetergent compositions9%
PatentTitleYear
6,163,532'Packet data transferring method for mobile radio data communication system'20006,009,088'Mobile wireless data communications system'19995,705,089'Cleaning fluid for semiconductor substrate'19985,614,165'Process for purification of hydrogen peroxide'19975,302,311'Cleaning solution of semiconductor substrate'19945,255,308'Wide area cordless telephone system capable of receiving incoming group address calls'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1999Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
1993Patents assigned to NEC CORP (1)· patent assignee history
1993Based in Kanagawa, JP· patent location history
1994–1998Patents assigned to MITSUBISHI GAS CHEMICAL CO (3)· patent assignee history
1994–1998Based in Tokyo, JP· patent location history
1999–2000Based in Yokohama, JP· patent location history
2000Patents assigned to NTT MOBILE COMM NETWORKS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI GAS CHEMICAL CO | 3 | 1994–1998 |
| NIPPON TELEGRAPH & TELEPHONE | 2 | 1993–1999 |
| NEC CORP | 1 | 1993 |
| NTT MOBILE COMM NETWORKS INC | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 1994–1998 |
| Yokohama, JP | 2 | 1999–2000 |
| Kanagawa, JP | 1 | 1993 |