Growing community of inventors

Tokyo, Japan

Daisuke Okuyama

Average Co-Inventor Count = 8.00

ph-index = 1

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 = 0

Daisuke Okuyama ↔ Masahiro Yamada (2 patents)Daisuke Okuyama ↔ Chiaki Hatsuta (2 patents)Daisuke Okuyama ↔ Masahiro Nagata (2 patents)Daisuke Okuyama ↔ Kentarou Seki (2 patents)Daisuke Okuyama ↔ Kazuhiro Shinozaki (2 patents)Daisuke Okuyama ↔ Hideto Matsui (2 patents)Daisuke Okuyama ↔ Kazunori Douchi (1 patent)Daisuke Okuyama ↔ Kazunori Oouchi (1 patent)Daisuke OkuyamaDaisuke Okuyama (2 patents)Masahiro YamadaMasahiro Yamada (101 patents)Chiaki HatsutaChiaki Hatsuta (23 patents)Masahiro NagataMasahiro Nagata (11 patents)Kentarou SekiKentarou Seki (8 patents)Kazuhiro ShinozakiKazuhiro Shinozaki (5 patents)Hideto MatsuiHideto Matsui (2 patents)Kazunori DouchiKazunori Douchi (1 patent)Kazunori OouchiKazunori Oouchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dai Nippon Printing Co., Ltd. (2 from 3,205 patents)


2 patents:

1. 12381136 - Lead frame and manufacturing method thereof

2. 12243811 - Lead frame and manufacturing method thereof

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as of
1/8/2026
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