Inventor
Nagao Mizutani
Inventor
Hachioji, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters59%
B41KStamps6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables6%
F02PIgnition, other than compression ignition, for internal-combustion engines6%
G01DMeasuring not specially adapted for a specific variable6%
G03GElectrography6%
G08BSignalling systems, e.g. personal calling systems6%
H02KDynamo-electric machines6%
PatentTitleYear
5,602,432'Silent warning vibration generator for portable equipment'19975,289,209'Printing head for ink-jet printer'19944,912,514'Electrophotographic printer'19904,365,550'Printing mechanism for dot matrix printers'19824,268,182'Device for detecting travel condition of inkribbon for printers'19814,263,847'Printing mechanism for dot matrix impact printers'19814,246,478'Position detector with two timing disks rotating at different speeds'19814,234,260'Device for feeding ink ribbon'19804,230,039'Drum printer with helically arranged type sets'19804,188,135'Multiple inked ribbon color changeover mechanism for printing machine'19804,184,780'Printer'19804,145,146'Recording medium feeding apparatus for printer'19794,143,977'Print station apparatus'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1994Patents assigned to CITIZEN WATCH CO LTD (11)· patent assignee history
1979Patents assigned to KUNITA MASAO (1)· patent assignee history
1979Patents assigned to KURIHARA TOHIO (1)· patent assignee history
1979Patents assigned to MIZUTANI NAGAO (1)· patent assignee history
1979Patents assigned to NOJIMA MASAMITSU (1)· patent assignee history
1979–1994Based in Hachioji, JP· patent location history
1979–1981Based in Hachiouji, JP· patent location history
1982Based in Tokorozawa, JP· patent location history
1990Based in Tokyo, JP· patent location history
1997Based in Sayama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CITIZEN WATCH CO LTD | 11 | 1979–1994 |
| KUNITA MASAO | 1 | 1979 |
| KURIHARA TOHIO | 1 | 1979 |
| MIZUTANI NAGAOself | 1 | 1979 |
| NOJIMA MASAMITSU | 1 | 1979 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 5 | 1979–1994 |
| Hachiouji, JP | 5 | 1979–1981 |
| Sayama, JP | 1 | 1997 |
| Tokyo, JP | 1 | 1990 |
| Tokorozawa, JP | 1 | 1982 |