Growing community of inventors

Osaka, Japan

Rie Shirai

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 35

Rie ShiraiYasuhiro Fujiwara (2 patents)Rie ShiraiMariko Yamaguchi (2 patents)Rie ShiraiAtsushi Tanaka (1 patent)Rie ShiraiRie Shirai (5 patents)Yasuhiro FujiwaraYasuhiro Fujiwara (63 patents)Mariko YamaguchiMariko Yamaguchi (4 patents)Atsushi TanakaAtsushi Tanaka (50 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Clover Mfg. Co., Ltd. (5 from 137 patents)


5 patents:

1. D830684 - Bobbin holder

2. 9861167 - Ornament holder

3. D737340 - Motif making tool

4. D737341 - Motif making tool

5. 8893358 - Needle puncher

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as of
1/2/2026
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