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Inventor

Hayato Tobe

Inventor
Mito, JP

Overview

13→
Patents
1989–2017
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties67%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light27%
LOC107%
PatentTitleYear
9,829,430Spectrophotometer20178,717,557'Spectrophotometer and method for determining performance thereof'20147,050,165'Atomic absorption spectrophotometer'20066,020,958'Atomic absorption spectrophotometer'20005,978,082'Atomic absorptiometer and a metal specimen atomic vapor generation apparatus used in the atomic absorotiometer'19995,822,059'Atomic absorption spectrophotometer and graphite tube type cuvette used for the same'19985,801,827'Analysis device using chemical combustion flame'19985,786,887'Atomic absorption spectrophotometer and atomic absorption spectrochemical analysis'1998D0394613'Atomic absorption spectrometer'19985,434,665'Atomic absorption analyzing apparatus with adjustable carrier gas flow rate'19955,035,505'Atomic absorption spectroscopy photometer'19914,867,562'Atomic absorption spectrophotometer'19894,840,484'Atomic absorption spectrophotometer with furnace at pressure equal or near light source pressure'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2000Patents assigned to HITACHI LTD (10)· patent assignee history
1989–2014Based in Mito, JP· patent location history
1995Based in Katsuta, JP· patent location history
2006Patents assigned to HITACHI NAKA INSTR CO LTD (1)· patent assignee history
2014–2017Patents assigned to HITACHI HIGH TECH CORP (2)· patent assignee history
2014Patents assigned to ISHIDA HIROYASU (1)· patent assignee history
2014Patents assigned to SATO YOICHI (1)· patent assignee history
2017Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD101989–2000
HITACHI HIGH TECH CORP22014–2017
HITACHI NAKA INSTR CO LTD12006
ISHIDA HIROYASU12014
SATO YOICHI12014
Locations
LocationPatentsSpan
Mito, JP111989–2014
Tokyo, JP12017
Katsuta, JP11995