LexDanaLexDanabeta
Inventor

Kouichi Nakano

Inventor
Hakusan, JP

Overview

11→
Patents
1986–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 11 as inventor

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

G03Gprimary
G03GElectrography24%
F02FCylinders, pistons or casings, for combustion engines12%
F16JPistons12%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
B41JTypewriters6%
B60NSeats specially adapted for vehicles6%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%
F02BInternal-combustion piston engines6%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines6%
G01RMeasuring electric variables6%
PatentTitleYear
10,634,247Piston structure for engine202010,576,742Liquid discharge head and liquid discharge apparatus202010,352,269Method of producing piston for engine20198,295,732'Electrophotographic photosensitive member and method of producing the same'20127,941,070'Electrophotographic photosensitive member and image forming apparatus using same'20117,931,332'Rear-seat occupant protection apparatus'20117,759,034'Electrophotographic photosensitive member, method of producing the same and image forming apparatus'20107,751,754'Image forming apparatus provided with an electrophotographic photosensitive member'20106,756,790'Impedance detection circuit, impedance detection device, and impedance detection method'2004D0458288'Digital camera'20024,587,592'Zinc oxide lightning protector'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to HITACHI LTD (1)· patent assignee history
1986–2020Based in Ibaraki, JP· patent location history
2002Based in Tokyo, JP· patent location history
2004Based in Hyogo, JP· patent location history
2010–2012Patents assigned to KYOCERA CORP (4)· patent assignee history
2010–2012Based in Hakusan, JP· patent location history
2011–2020Patents assigned to MAZDA MOTOR (3)· patent assignee history
2011–2020Based in Hiroshima, JP· patent location history
2012–2020Patents assigned to NAKANO KOUICHI (2)· patent assignee history
2020Patents assigned to IWAMA MASAMI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KYOCERA CORP42010–2012
MAZDA MOTOR32011–2020
NAKANO KOUICHIself22012–2020
HITACHI LTD11986
IWAMA MASAMI12020
Locations
LocationPatentsSpan
Hakusan, JP42010–2012
Hiroshima, JP32011–2020
Ibaraki, JP21986–2020
Hyogo, JP12004
Tokyo, JP12002