Inventor
Kazutoshi Kobayashi
Inventor
Hitachinaka, JP
Overview
Patents· 47 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Pprimary
F02PIgnition, other than compression ignition, for internal-combustion engines18%
G03GElectrography14%
H01FMagnets14%
H01TSpark gaps6%
C08JWorking-up5%
F02DControlling combustion engines5%
F02BInternal-combustion piston engines4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H04LTransmission of digital information, e.g. telegraphic communication4%
A61KPreparations for medical, dental or toiletry purposes2%
PatentTitleYear
11,021,007Laminated film for molded decoration202110,968,329Method of recovering decomposition product of thermosetting resin cured product and method of producing recycled material202110,322,185Controlled release carrier for drugs containing silk fibroin porous material201910,040,193Motor control system, robot system, and communication method for motor control system20189,625,869'Image forming apparatus with a controller for forming a toner patch'20179,579,092'Polymer molded body for pulling biological tissue, medical pulling member using same, and medical pulling tool'20179,328,135'Method for producing porous silk fibroin material'20169,223,243'Charging device and image forming apparatus including the same'20159,090,703'Silk fibroin porous material and method for producing same'20158,712,308'Lubricant coating device and image forming apparatus'20148,700,703'Contents server and contents server system'20148,581,652'Flip-flop circuit, semiconductor device and electronic apparatus'20137,991,318'Image forming apparatus'20117,962,073'Image forming apparatus with developing unit having a magnetic brush'20117,877,029'Image forming apparatus and fog control method'20117,869,727'Image forming apparatus with control section to control development bias potential'20117,865,099'Image forming apparatus'20117,861,283'User position utilization system'20107,751,733'Image forming apparatus with a fog controller'20107,574,154'Image forming apparatus with moving speed ratio change section and image forming method including changing circumferential speed ratio'20097,487,767'Ignition coil for use in engine and engine having plastic cylinder head cover'20097,436,943'Method and apparatus for managing telephone number, and computer product'20087,289,754'Image forming apparatus'20077,013,883'Ignition coil for use in engine and engine having plastic cylinder head cover'20066,978,094'Image forming apparatus with a toner density sensor'20056,571,784'Ignition coil for use in engine and engine having plastic cylinder head cover'20036,332,458'Ignition coil unit for engine and engine provided with plastic head cover'20016,308,696'Ignition apparatus for use in internal combustion engine'20016,237,578'Ignition coil for use in internal combustion engine'20016,213,109'Ignition coil for use in internal combustion engine'20016,191,675'High voltage transformer and ignition transformer using the same'20016,055,969'Igniter for internal combustion engine having outer packing case equipped with coil and igniter unit'20005,978,380'Apparatus for establishing common signal channel'19995,954,036'Ignition apparatus for use in internal combustion engine'19995,915,367'Igniter for internal combustion engine having outer packing case equipped with coil and igniter unit'19995,632,259'Ignition apparatus for an internal combustion engine'19975,270,988'Optical recording and reproducing apparatus making access by multitrack jump'19935,233,544'Swing analyzing device'19935,090,367'Internal combustion engine distributor'19925,060,209'Optical information recording and reproducing apparatus with vibration attenuating mechanism'19915,036,827'Ignition coil-incorporated distributor for internal combustion engines'19914,979,486'Ignition coil-incorporated distributor for internal combustion engines'19904,960,099'Distributor for internal combustion engine'19904,562,813'Knock control system'19864,505,413'Dual capstan drive unit for a tape recorder'19854,325,338'Pressure-responsive ignition timing controller for a supercharged internal combustion engine'19824,224,917'Ignition device'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2009Patents assigned to HITACHI LTD (17)· patent assignee history
1980–2019Based in Ibaraki, JP· patent location history
1982–1992Based in Katsuta, JP· patent location history
1993–2021Based in Tokyo, JP· patent location history
1997–2009Patents assigned to HITACHI CAR ENG CO LTD (8)· patent assignee history
1997–2009Based in Hitachinaka, JP· patent location history
1999–2014Patents assigned to FUJITSU LTD (4)· patent assignee history
2005–2015Based in Hachioji, JP· patent location history
2007–2014Patents assigned to KONICA MINOLTA BUSINESS TECH (9)· patent assignee history
2013–2017Patents assigned to KOBAYASHI KAZUTOSHI (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 17 | 1980–2009 |
| KONICA MINOLTA BUSINESS TECH | 9 | 2007–2014 |
| HITACHI CAR ENG CO LTD | 8 | 1997–2009 |
| KOBAYASHI KAZUTOSHIself | 5 | 2013–2017 |
| FUJITSU LTD | 4 | 1999–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 12 | 1997–2009 |
| Hachioji, JP | 8 | 2005–2015 |
| Tokyo, JP | 6 | 1993–2021 |
| Katsuta, JP | 6 | 1982–1992 |
| Ibaraki, JP | 4 | 1980–2019 |