Inventor
Kiyofumi Ishikawa
Inventor
Hiratsuka, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering28%
Y10TTechnical subjects covered by former us classification22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
B23PMetal-working not otherwise provided for6%
C12NMicroorganisms or enzymes6%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture6%
C12YEnzymes6%
F01DNon-positive displacement machines or engines, e.g. steam turbines6%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants6%
PatentTitleYear
11,104,893Ketose 3-epimerase with improved thermal stability20216,991,150'Method of build up welding to thin-walled portion'20065,496,422'Corrosion resistant stainless steel'19965,426,278'Laser irradiating torch'19955,387,292'Corrosion resistant stainless steel'19955,196,272'Corrosion resistant stainless steel'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1996Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (4)· patent assignee history
1993–2006Based in Hiratsuka, JP· patent location history
2006Patents assigned to ISHIKAWAJIMA INSPECTION & INST (1)· patent assignee history
2021Patents assigned to MATSUTANI KAGAKU KOGYO KK (1)· patent assignee history
2021Based in Itami, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ISHIKAWAJIMA HARIMA HEAVY IND | 4 | 1993–1996 |
| ISHIKAWAJIMA INSPECTION & INST | 1 | 2006 |
| MATSUTANI KAGAKU KOGYO KK | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hiratsuka, JP | 5 | 1993–2006 |
| Itami, JP | 1 | 2021 |