Inventor
Nagaichi Suga
Inventor
Tokyo, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Cprimary
F25CProducing, working or handling ice26%
G01NInvestigating or analysing materials by determining their chemical or physical properties22%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light13%
A01GHorticulture9%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals4%
F25DRefrigerators4%
G01WMeteorology4%
H05BElectric heating4%
Y02ATechnologies for adaptation to climate change4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
PatentTitleYear
6,661,915'Illumination variable colorimetric method and colorimeter'20036,591,701'Weathering test apparatus having a long-arc type air-cooled vertical metal halide lamp'20035,667,647'Oxygen-hydrogen electrolytic gas generation apparatus'19974,809,514'Apparatus for removing snow deposited on wall of snow generating apparatus'19894,799,379'Apparatus for measuring the moisture content of snow particles'19894,798,331'Artificial snow production apparatus'19894,792,093'Artificial snow wetting apparatus'19884,768,711'Apparatus for changing artificial snow to wet snow'19884,767,054'Apparatus for changing artificial snow to wet snow'19884,766,488'Falling particle televising apparatus'19884,746,064'Snow generating and snowfall apparatus'19884,715,716'Rhombic-shaped scale device for use in judging discoloration, fading or staining'19874,620,792'Method of simply setting expansion regions for conversion of values of colors according to xyz notation system into values of colors according to Munsell notation system'19864,243,833'Carbon electrode for arc lamp'19814,185,920'Color displaying apparatus'19804,092,122'Corrosion testing machine'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1987Patents assigned to SUGA NAGAICHI (5)· patent assignee history
1978–2003Based in Tokyo, JP· patent location history
1987Patents assigned to CHAKI KIYOSHI (1)· patent assignee history
1987Based in Toyama, JP· patent location history
1988–2003Patents assigned to SUGA TEST INSTRUMENTS (9)· patent assignee history
1988Patents assigned to SUGA WEATHERING TECHNOLOGY FOU (1)· patent assignee history
1989Patents assigned to SUGA TEST INSTRUMENETS CO LTD (1)· patent assignee history
1989Based in US· patent location history
2003Based in Toyko, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUGA TEST INSTRUMENTS | 9 | 1988–2003 |
| SUGA NAGAICHIself | 5 | 1978–1987 |
| CHAKI KIYOSHI | 1 | 1987 |
| SUGA TEST INSTRUMENETS CO LTD | 1 | 1989 |
| SUGA WEATHERING TECHNOLOGY FOU | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 13 | 1978–2003 |
| Toyko, JP | 1 | 2003 |
| US | 1 | 1989 |
| Toyama, JP | 1 | 1987 |