Inventor
Kenji Yajima
Inventor
Nagoya, JP
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation23%
C01BNon-metallic elements11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
C22CAlloys5%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G04BMechanically-driven clocks or watches3%
G04CElectromechanical clocks or watches3%
G04FTime-interval measuring3%
PatentTitleYear
10,618,011Package, method for storing or transporting sub-nano membrane structure, and sub-nano membrane structure202010,258,933Zeolite membrane having oxygen eight-membered rings, method for manufacturing zeolite membrane and method for evaluating zeolite membrane having oxygen eight-membered rings201910,232,318Defect detection method for monolithic separation membrane structures, repair method, and monolithic separation membrane structures201910,093,547Method for producing DDR type zeolite crystals and method for producing DDR type zeolite membrane20189,968,891Ceramic separation membrane structure and method for producing same20189,901,882'DDR zeolite seed crystal, method for producing same, and method for producing DDR zeolite membrane'20189,853,518Cantilevered-shaft electric motor20179,493,362'DDR-type zeolite powder, and process for the production of DDR-type zeolite powder'20168,778,056'Zeolite membrane and process for producing zeolite membrane'20148,545,802'Process for production of DDR-type zeolite'20138,497,223'Process for the production of DDR-type zeolite membranes'20138,377,838'Method for production of DDR type zeolite membrane'20138,263,516'Method for manufacturing a structure provided with DDR zeolite membrane'20127,909,917'Porous structure with seed crystal-containing layer for manufacturing zeolite membrane, zeolite membrane, and method for manufacturing zeolite membrane'20117,819,944'Method of dehydration, dehydrating apparatus, and membrane reactor'20107,510,598'Gas separating body and method for producing same'20097,014,680'Method for preparing DDR type zeolite membrane, DDR type zeolite membrane, and composite DDR type zeolite membrane, and method for preparation thereof'20066,953,493'Method for preparing DDR type zeolite membrane, DDR type zeolite membrane, and composite DDR type zeolite membrane, and method for preparation thereof'20056,783,611'Phosphorized copper anode for electroplating'20046,640,876'Method and apparatus for manufacturing copper and/or copper alloy ingot having no shrinkage cavity and having smooth surface without wrinkles'20035,705,125'Wire for electric railways'19985,391,243'Method for producing wire for electric railways'19955,259,300'Stirrer for food and cooking method'19934,228,647'Click mechanism of a timepiece'19804,219,756'Mounting structure of a quartz crystal unit'19804,135,359'Electronic timepiece with the amending means'19794,088,854'Electronic timepiece switch mechanism having substrate mounted pivoted contact and lever or cam actuator'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1980Patents assigned to SEIKO INSTR & ELECTRONICS (3)· patent assignee history
1979–2016Patents assigned to YAJIMA KENJI (7)· patent assignee history
1980–2017Based in Tokyo, JP· patent location history
1995–2004Patents assigned to MITSUBISHI MATERIALS CORP (4)· patent assignee history
1995–1998Based in Ohmiya, JP· patent location history
2003Based in Kitamoto, JP· patent location history
2004Based in Saitama, JP· patent location history
2005–2020Patents assigned to NGK INSULATORS LTD (17)· patent assignee history
2005–2020Based in Nagoya, JP· patent location history
2012–2016Patents assigned to NONAKA HISAYOSHI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK INSULATORS LTD | 17 | 2005–2020 |
| YAJIMA KENJIself | 7 | 1979–2016 |
| MITSUBISHI MATERIALS CORP | 4 | 1995–2004 |
| NONAKA HISAYOSHI | 3 | 2012–2016 |
| SEIKO INSTR & ELECTRONICS | 3 | 1978–1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 17 | 2005–2020 |
| Tokyo, JP | 4 | 1980–2017 |
| Ohmiya, JP | 2 | 1995–1998 |
| Saitama, JP | 1 | 2004 |
| Kitamoto, JP | 1 | 2003 |