Top 50 Key Players companies in GiST by Most Patent Citation in the Japan in 2018 – Discovery

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The GiST top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Citation GiST Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2018, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.

In computing, GiST or Generalized Search Tree, is a data structure and API that can be used to build a variety of disk-based search trees. GiST is a generalization of the B+ tree, providing a concurrent and recoverable height-balanced search tree infrastructure without making any assumptions about the type of data being stored, or the queries being serviced. GiST can be used to easily implement a range of well-known indexes, including B+ trees, R-trees, hB-trees, RD-trees, and many others; it also allows for easy development of specialized indexes for new data types. It cannot be used directly to implement non-height-balanced trees such as quad trees or prefix trees (tries), though like prefix trees it does support compression, including lossy compression. GiST can be used for any data type that can be naturally ordered into a hierarchy of supersets. Not only is it extensible in terms of data type support and tree layout, it allows the extension writer to support any query predicates that they choose.

1	SANYO Electric Co., Ltd.	Osaka, Japan	Semiconductor,Computer hardware,Software, ...[+2]	patent citation: 81
2	Sony Computer Entertainment, Inc.	Tokyo, Japan	Software,Game console,Computer hardware	patent citation: 72
3	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	patent citation: 50
4	Daiichi Sankyo Co., Ltd.	New Jersey, Japan	Clinical trial,Cardiovascular agent,Drug, ...[+2]	patent citation: 42
5	Kawasaki Heavy Industries Ltd.	Kyoto, Japan	Turbine,Mechanical engineering,Manufacturing engineering, ...[+2]	patent citation: 21
6	Nippon Telegraph & Telephone Corp.	Tokyo, Japan	Telecommunications,Cloud database,Data center, ...[+2]	patent citation: 14
7	Kyodo Seisaku Kk	Japan		patent citation: 8
8	Nihon Spindle Manufacturing Co., Ltd.	Hyogo, Japan	Hydraulic machinery,Automation,Manufacturing engineering, ...[+2]	patent citation: 7
9	NIPPON STEEL Stainless Steel Corp.	Tokyo, Japan	Mill,Metal,Mining engineering, ...[+1]	patent citation: 7
10	Canon, Inc.	Tokyo, Japan	Computer hardware,Software,Computer vision, ...[+2]	patent citation: 6
11	Semiconductor Energy Laboratory Co., Ltd.	Kanagawa, Japan	Semiconductor,Transistor,Semiconductor device, ...[+2]	patent citation: 6
12	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	patent citation: 5
13	Ricoh Co., Ltd.	Tokyo, Japan	Digital media,Data visualization,Thermal paper, ...[+2]	patent citation: 5
14	Mitsubishi Kogyo KK	Japan		patent citation: 5
15	Sysmex Corp.	Hokkaido, Japan	Clinical chemistry,Reagent,Medical equipment, ...[+2]	patent citation: 4
16	Tokai Carbon Co., Ltd.	Tokyo, Japan	Carbon black,Graphite,Carbon, ...[+2]	patent citation: 4
17	Tokyo Electric Power Co. Holdings, Inc.	Tokyo, Japan	Power grid,Association (object-oriented programming),Electricity, ...[+2]	patent citation: 3
18	MTI Ltd.	Yamanashi, Japan	Mobile device,FinTech,Music, ...[+2]	patent citation: 3
19	BIGLOBE, Inc.	Tokyo, Japan	Internet service provider,Telecommunications,The Internet	patent citation: 3
20	Seiwa Tekko KK	Japan		patent citation: 3
21	Panasonic Intellectual Property Management Co. Ltd.	Osaka, Japan		patent citation: 3
22	Panasonic Holdings Corp.	Osaka, Japan	Semiconductor,Industrial engineering,Electronics, ...[+2]	patent citation: 2
23	Toyota Industries Corp.	Aichi, Japan	Textile,Software,Automotive engineering, ...[+2]	patent citation: 2
24	Idemitsu Kosan Co., Ltd.	Tokyo, Japan	Petrochemical,Lubricant,Petroleum, ...[+2]	patent citation: 2
25	Tonen General Sekiyu KK	Chiba, Japan	Petroleum product,Petrochemical,Liquefied natural gas, ...[+2]	patent citation: 2
26	Ubukata Industries Co., Ltd.	Aichi, Japan	Interrupter	patent citation: 2
27	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	patent citation: 2
28	Tonen Chemical Corp.	Tokyo, Japan	Chemical engineering,Lithium-ion battery,Digital camera, ...[+2]	patent citation: 2
29	Challenge Five KK	Japan		patent citation: 2
30	NEC Corp.	Tokyo, Japan	Virtualization,Big data,Network security, ...[+2]	patent citation: 1
31	DENSO Corp.	Aichi, Japan	Automotive engineering,Industrial robot,Programmable logic controller, ...[+2]	patent citation: 1
32	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	patent citation: 1
33	JFE Holdings, Inc.	Tokyo, Japan	Materials science,Product design,Carbon steel, ...[+2]	patent citation: 1
34	Mazda Motor Corp.	Kanagawa, Japan	Automotive engineering,Reciprocating engine,Manual transmission, ...[+2]	patent citation: 1
35	Tsubakimoto Chain Co.	Osaka, Japan	Power transmission,Automation,Mechanical engineering, ...[+2]	patent citation: 1
36	NTT DoCoMo, Inc.	Tokyo, Japan	Telecommunications,Wireless,Mobile device, ...[+2]	patent citation: 1
37	Kanemitsu Corp.	Hyogo, Japan	Pulley,Industrial engineering,Sprocket, ...[+2]	patent citation: 1
38	Nakayo, Inc.	Japan	Telecommunications,Wireless network,Telecommunications equipment	patent citation: 1
39	JFE Steel Corp.	Tokyo, Japan	Irone,Mining engineering,Natural resource management, ...[+2]	patent citation: 1
40	Tatsuno Corp.	Tokyo, Japan	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	patent citation: 1
41	Shanon, Inc.	Tokyo, Japan	Cloud computing,Conference management,Cloud marketing, ...[+2]	patent citation: 1
42	Fujifilm Business Innovation Corp.	Chiba, Japan	Electronics,Inkjet printing,Vertical-cavity surface-emitting laser, ...[+2]	patent citation: 1
43	NEC Communication Systems Ltd.	Tokyo, Japan	Software,System software,Enterprise software, ...[+2]	patent citation: 1
44	Kyoritsu Seiki Co. Ltd.	Japan	Automotive engineering	patent citation: 1
45	ind Co., Ltd.	Tokyo, Japan	Software,Web server,Application software	patent citation: 1
46	Tatsuno Co. Ltd.	Nagano, Japan	Sales management,Fast-moving consumer goods	patent citation: 1
47	Rasis Software Service Co. Ltd.	Japan		patent citation: 1
48	Nakajima ALL Precision Co. Ltd.	Japan		patent citation: 1
49	Kyoiku Dojinsha KK	Japan		patent citation: 1
50	Muratec Automation Co., Ltd.	Aichi, Japan	Software,Semiconductor,Automation	patent citation: 1