Kawai; Hajime

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kawai; Hajime.The latest application filed is for "curing agent, method for producing cement structure with coating film, shrinkage reduction method and drying suppression method for cement molded body, and method for suppressing penetration of deterioration factor into cement structure".

Company Profile

0.5.8

Kawai; Hajime - Suita-shi Osaka
Kawai; Hajime - Kyoto JP
KAWAI; Hajime - Kyoto-shi JP
Kawai; Hajime - Nara JA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Curing Agent, Method for Producing Cement Structure with Coating Film, Shrinkage Reduction Method and Drying Suppression Method for Cement Molded Body, and Method for Suppressing Penetration of Deterioration Factor into Cement Structure App 20220089504 - Kawai; Hajime ; et al.	2022-03-24
Toner density sensor and image forming device Grant 9,927,757 - Kawai , et al. March 27, 2	2018-03-27
Particle Sensor, And Electronic Device Provided With Same App 20170268994 - KAWAI; Hajime ; et al.	2017-09-21
Toner Density Sensor And Image Forming Device App 20170205748 - KAWAI; Hajime ; et al.	2017-07-20
Reflective sensor Grant 9,594,017 - Taishi , et al. March 14, 2	2017-03-14
Optical sensor, image forming device, and method for correcting toner concentration Grant 9,405,220 - Taishi , et al. August 2, 2	2016-08-02
Reflective Sensor App 20160069800 - Taishi; Yoshitaka ; et al.	2016-03-10
Method For Detecting Components In Carrier Tape, Sensor Module, Splicing Device, And Component Mounting Device App 20150258687 - TAISHI; Yoshitaka ; et al.	2015-09-17
Optical Sensor, Image Forming Device, And Method For Correcting Toner Concentration App 20150093131 - Taishi; Yoshitaka ; et al.	2015-04-02
Toner density sensor and image forming apparatus Grant 8,873,990 - Taishi , et al. October 28, 2	2014-10-28
Toner Density Sensor And Image Forming Apparatus App 20130243466 - TAISHI; Yoshitaka ; et al.	2013-09-19
Toner Density Sensor And Image Forming Apparatus App 20120237246 - Taishi; Yoshitaka ; et al.	2012-09-20
Roof ventilator Grant 3,942,422 - Kawai , et al. March 9, 1	1976-03-09

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