Inventor
Katsuhito Watanabe
Inventor
Tokyo, JP
Overview
Patents· 53 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOCD1primary
LOCD1100%
PatentTitleYear
D0363280'Portable radio telephone'1995D0355185'Portable radio telephone'1995D0355183'Portable radio telephone'1995D0352707'Portable radiotelephone'1994D0339322'Battery pack for a portable radio telephone'1993D0338461'Automotive telephone handset'1993D0337764'Automotive telephone handset'1993D0335877'Portable radiotelephone'1993D0332449'Automotive telephone control unit'1993D0330693'Battery unit for a portable radio telephone'1992D0329040'Battery pack for a portable radio telephone'1992D0328450'Battery charger for a portable radio telephone battery packs'1992D0328068'Portable facsimile machine'1992D0328056'Battery charger for a portable radio telephone battery pack'1992D0327070'Holder for portable radio telephone'1992D0326450'Automotive telephone control unit'1992D0325908'Portable telephone set'1992D0322061'Battery charger for a portable radio telephone'1991D0320022'Holder for a portable radio telephone'1991D0317762'Automotive telephone control unit'1991D0316410'Portable radio telephone'1991D0315731'Portable radio telephone'1991D0315558'Automotive telephone'1991D0315161'Adaptor for a portable radio telephone'1991D0307016'Charger for a portable radio telephone'1990D0306291'Portable radio telephone'1990D0306294'Portable radio telephone'1990D0302271'Automotive telephone control unit'1989D0301882'Automotive telephone control unit'1989D0300429'Combined handset radio telephone and stand with antenna'1989D0299493'Portable radio telephone'1989D0298829'Handset telephone and stand for vehicles'1988D0298317'Mobile handset telephone and stand therefor with integral speakerphone and magnetic card reader'1988D0298321'Portable handset radio telephone'1988D0298243'Portable radio telephone'1988D0298241'Portable handset radio telephone'1988D0298244'Portable handset radio telephone'1988D0298242'Portable handset radio telephone'1988D0298129'Combination mobile, portable cellular handset radio telephone and support case'1988D0298036'Portable handset radio telephone'1988D0298035'Portable handset radio telephone'1988D0297733'Handset telephone and stand for vehicles'1988D0297639'Combination handset telephone, its stand, and a carrier case therefor'1988D0296694'Portable radio telephone'1988D0295626'Cordless portable radio telephone'1988D0295625'Cordless portable radio telephone'1988D0292206'Credit card handset telephone and stand instrument'1987D0291199'Handset for mobile telephone'1987D0289044'Portable handset radio telephone'1987D0277377'Telephone set'1985D0247491'Telephone set'1978D0246784'Telephone set'1977D0245500'Telephone set'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1995Patents assigned to OKI ELECTRIC IND CO LTD (47)· patent assignee history
1977–1995Based in Tokyo, JP· patent location history
1987Patents assigned to OKI AMERICA INC (3)· patent assignee history
1987Based in Warabe, JP· patent location history
1987Based in Warabi, JP· patent location history
1988Patents assigned to OKI ELECTRIC IND CO INC (1)· patent assignee history
1989Patents assigned to OKI ELECTRIC IND COMPANY LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OKI ELECTRIC IND CO LTD | 47 | 1977–1995 |
| OKI AMERICA INC | 3 | 1987 |
| OKI ELECTRIC IND CO INC | 1 | 1988 |
| OKI ELECTRIC IND COMPANY LTD | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 50 | 1977–1995 |
| Warabe, JP | 2 | 1987 |
| Warabi, JP | 1 | 1987 |