Growing community of inventors

Osaka, Japan

David Barrett

Average Co-Inventor Count = 8.99

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 22

David BarrettHiroshi Matsuda (3 patents)David BarrettKeiji Matsuda (3 patents)David BarrettKenji Murano (3 patents)David BarrettTakahiro Matsuya (3 patents)David BarrettTakashi Ogino (2 patents)David BarrettHidenori Ohki (2 patents)David BarrettHiroaki Mizuno (2 patents)David BarrettTakashi Tojo (2 patents)David BarrettNobuyuki Shiraishi (2 patents)David BarrettKazuo Sakane (1 patent)David BarrettMasayoshi Murata (1 patent)David BarrettKohji Kawabata (1 patent)David BarrettHideo Tsutsumi (1 patent)David BarrettAkira Yazaki (1 patent)David BarrettSatoshi Inoue (1 patent)David BarrettNorio Hashimoto (1 patent)David BarrettTakeshi Terasawa (1 patent)David BarrettAyako Toda (1 patent)David BarrettAtsushi Kanda (1 patent)David BarrettMasaharu Ichihara (1 patent)David BarrettAtsushi Ohigashi (1 patent)David BarrettDavid Barrett (4 patents)Hiroshi MatsudaHiroshi Matsuda (54 patents)Keiji MatsudaKeiji Matsuda (22 patents)Kenji MuranoKenji Murano (9 patents)Takahiro MatsuyaTakahiro Matsuya (3 patents)Takashi OginoTakashi Ogino (20 patents)Hidenori OhkiHidenori Ohki (14 patents)Hiroaki MizunoHiroaki Mizuno (7 patents)Takashi TojoTakashi Tojo (6 patents)Nobuyuki ShiraishiNobuyuki Shiraishi (3 patents)Kazuo SakaneKazuo Sakane (54 patents)Masayoshi MurataMasayoshi Murata (44 patents)Kohji KawabataKohji Kawabata (43 patents)Hideo TsutsumiHideo Tsutsumi (25 patents)Akira YazakiAkira Yazaki (21 patents)Satoshi InoueSatoshi Inoue (16 patents)Norio HashimotoNorio Hashimoto (6 patents)Takeshi TerasawaTakeshi Terasawa (5 patents)Ayako TodaAyako Toda (4 patents)Atsushi KandaAtsushi Kanda (4 patents)Masaharu IchiharaMasaharu Ichihara (3 patents)Atsushi OhigashiAtsushi Ohigashi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujisawa Pharmaceutical Company, Ltd. (4 from 940 patents)

2. Wakunaga Pharmaceutical Co., Ltd. (1 from 30 patents)


4 patents:

1. 6884774 - Cyclic hexapeptide derivatives

2. 6884868 - Cyclic hexapeptides having antibiotic activity

3. 6232290 - Cyclic hexapeptides with antimicrobial activity

4. 5359066 - Certain tricyclic pyrido[3,2,1-ij]cinnoline-8-carboxylates, useful as

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/30/2025
Loading…