<2016-All> Firm Ranking of the number of Japanese patent applications in the Electric communication field in 2016

2019-01-28 2019-04-28

The following table shows the ranking of Japanese IP law firm. The ranking is based on the following conditions.

Technical field: Electric communication (control device, power supply system, electric power conversion device for hybrid vehicle, etc.)
Status: All (i.e., Japanese patent applications in 2016 (application date)).
First country: All (i.e., patent applications with claiming priority of a Japanese application or a foreign application, or without claiming priority).
Count: The number of Japanese patent applications handled by each Japanese IP law firm was counted (applicants of the patent applications are represented by each Japanese IP law firm or its members).

Ranking	No.	IP law firm	Website
1	1440	SHIGA International Patent Office	View
2	1309	ITOH International Patent Office	View
3	991	Sakai International Patent Office	View
4	932	SUZUYE & SUZUYE Intellectual Property Law	View
5	859	Ohtsuka Patent Office	View
6	603	In-house patent attorney	－
7	424	TANI & ABE, p.c.	View
8	418	Takanashi Patent Firm	None
9	384	Hazuki International	View
10	355	In-house patent attorney	－
11	349	Nishikawa & Associates	View
12	285	In-house patent attorney	－
13	266	KOKUBUN INTERNATIONAL PATENTS & TRADEMARKS	View
14	257	SEIWA PATENT & LAW	View
15	256	TAIYO, NAKAJIMA & KATO	View
16	254	SHUSAKU・YAMAMOTO	View
17	253	Fukami Patent Office, P.C.	View
18	252	HIBIKI IP LAW FIRM	View
19	246	NII Patent Firm	View
20	233	CHUO INTERNATIONAL PATENT FIRM	View
21	231	Washida & Associates	View
22	226	HARAKENZO WORLD PATENT & TRADEMARK	View
23	225	Okabe International Patent Office	View
24	223	RYUKA IP LAW FIRM	View
25	219	SUGIMURA & Partners	View
26	193	Miyoshi & Miyoshi	View
27	193	Fujimoto International Patent Firm	View
28	192	Nakamura & Partners	View
29	191	PRIMEWORKS IP Attorneys	View
30	177	Curiuse	View
31	167	In-house patent attorney	－
32	157	TMI Associates	View
33	156	Isono International Patent Office, P. C.	View
34	155	INFORT PATENT FIRM	View
35	150	Soei Patent & Law Firm	View
36	150	Osuga & Associates	View
37	146	KYOWA PATENT AND LAW OFFICE	View
38	146	Shobayashi International Patent &Trademark Office	View
39	145	Sano Patent Office	View
40	145	ONDA TECHNO Intl. Patent Attys	View
41	144	YKI Intellectual Property Attorneys	View
42	143	Takaoka IP Law	View
43	137	DAIDO Patent Attorneys P.C.	View
44	129	Patent Attorney's Office Yoshida, Yoshitake and Arita	View
45	128	TSUTSUI & ASSOCIATES	View
46	128	Asahi Patent Firm	View
47	127	S & S INTERNATIONAL PPC	View
48	124	Minami Aoyama Patent and Trademark Attorneys	View
49	122	Aoyama & Partners	View
50	121	Nagoya International Patent Firm	View

In preparing the table, a patent search expert conducted a patent search using patent classification and keywords (as necessary) in order to extract patents in specific technical field (here, Electric communication field).
In the patent search, it was confirmed that a high-accuracy population (i.e., a population not including non-relevant fields) of patents was obtained. Subsequently, the population was used to create the table.

By entering the Firm name or Attorney name in the "Legal Representative Name" column of Patentscope (search system of WIPO), you can find the patent information handled by each Firm.