Inventor

KOHJI SAKAI

Inventor
JP

Overview

2→
Patents
2021–2023
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus17%
B29CShaping or joining of plastics8%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering8%
B41JTypewriters8%
B41MPrinting, duplicating, marking, or copying processes8%
G01BMeasuring length, thickness or similar linear dimensions8%
G01CMeasuring distances, levels or bearings8%
G01SRadio direction-finding8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2023Patents assigned to RICOH CO LTD (2)· patent assignee history
2021–2023Based in JP· patent location history
2023Patents assigned to FUJITA TAKASHI (1)· patent assignee history
2023Patents assigned to KOBASHIGAWA SHOHTA (1)· patent assignee history
2023Patents assigned to SAKAI KOHJI (1)· patent assignee history
2023Patents assigned to SUHARA HIROYUKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD22021–2023
FUJITA TAKASHI12023
KOBASHIGAWA SHOHTA12023
SAKAI KOHJIself12023
SUHARA HIROYUKI12023
Locations
LocationPatentsSpan
JP22021–2023