Table 8.4 Basic information of top 50 assignee codes. (Note: Totally 55 assignee codes because of
six tying in 50th. Data Source: Derwent Innovations Index Database 2016)
Assignee
code
Main assignee name
Patent
count
Country
Classification
1
AIRL-C Air Liquide SA
349
France
Company
2
LINMC
Linde AG
229
Germany
Company
3
AIRP-C Air Prod & Chem Inc
216
USA
Company
4
MITOC
Mitsubishi Heavy Ind Co Ltd
211
Japan
Company
5
SHELC
Shell Int Res MIJ BV
195
Netherlands Company
6
INSF-C Inst Francais DU Petrole
152
France
Institute
7
ALSMC
Alstom Technology LTD
148
France
Company
8
ESSO-C Exxonmobil Res & Eng Co
144
USA
Company
9
UNVOC
Uop LLC
130
USA
Company
10 PRAXC
Praxair Technology Inc
114
USA
Company
11 BRTOC
BOC Group
108
UK
Company
12 HITA-C Hitachi Ltd
108
Japan
Company
13 SHANN
Shandong Seri Petrotech Dev Co Ltd 100
China
Company
14 TOKEC
Toshiba KK
90
Japan
Company
15 NIIO-C Nippon Sanso
88
Japan
Company
16 BADI-C Basf AG
87
Germany
Company
17 SNPCC
China Petroleum & Chem Corp
85
China
Company
18 GENEC
General Electric Co
81
USA
Company
19 YAWAC
Nippon Steel Corp
79
Japan
Company
20 UNIC-C Union Carbide Corp
72
USA
Company
21 SIEI-C
Siemens AG
71
Germany
Company
22 KOERC
South Korea Inst Energy Res
70
South
Korea
Institute
23 KANTC
Kansai Electric Power
55
Japan
Company
24 DOWCC
Dow Chem Co
52
USA
Company
25 FUJF-C Fuji Film Corp
51
Japan
Company
26 CALI-C Chevron USA Inc
50
USA
Company
27 HITG-C Babcock-Hitachi
49
Japan
Company
28 ISHI-C
Ishikawajima Harima Heavy Ind
49
Japan
Company
(continued)
8 Spatial-Temporal Distribution of Carbon Capture Technology According to Patent. . .
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